U.S. Route 20 or U.S. Highway 20 (US 20) is an east–west
United States Numbered Highway
The United States Numbered Highway System (often called U.S. Routes or U.S. Highways) is an integrated network of roads and highways numbered within a nationwide grid in the contiguous United States. As the designation and numbering of these hi ...
that stretches from the
Pacific Northwest
The Pacific Northwest (sometimes Cascadia, or simply abbreviated as PNW) is a geographic region in western North America bounded by its coastal waters of the Pacific Ocean to the west and, loosely, by the Rocky Mountains to the east. Thou ...
east to
New England
New England is a region comprising six states in the Northeastern United States: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont. It is bordered by the state of New York to the west and by the Canadian provinces ...
. The "0" in its route number indicates that US 20 is a major coast-to-coast route. Spanning , it is the longest road in the United States,
and, in the east, the route is roughly parallel to that of the newer
Interstate 90
Interstate 90 (I-90) is an east–west transcontinental freeway and the longest Interstate Highway in the United States at . It begins in Seattle, Washington, and travels through the Pacific Northwest, Mountain West, Great Plains, Midwest, and ...
(I-90), which is the longest
Interstate Highway
The Dwight D. Eisenhower National System of Interstate and Defense Highways, commonly known as the Interstate Highway System, is a network of controlled-access highways that forms part of the National Highway System in the United States. T ...
in the U.S. There is a discontinuity in the official designation of US 20 through
Yellowstone National Park
Yellowstone National Park is an American national park located in the western United States, largely in the northwest corner of Wyoming and extending into Montana and Idaho. It was established by the 42nd U.S. Congress with the Yellowst ...
, with unnumbered roads used to traverse the park.
US 20 and
US 30 break the general U.S. Route numbering rules in
Oregon
Oregon () is a U.S. state, state in the Pacific Northwest region of the Western United States. The Columbia River delineates much of Oregon's northern boundary with Washington (state), Washington, while the Snake River delineates much of it ...
, since US 30 actually starts north of US 20 in
Astoria, and runs parallel to the north throughout the state (the
Columbia River
The Columbia River ( Upper Chinook: ' or '; Sahaptin: ''Nch’i-Wàna'' or ''Nchi wana''; Sinixt dialect'' '') is the largest river in the Pacific Northwest region of North America. The river rises in the Rocky Mountains of British Columbia ...
and
Interstate 84). The two
run concurrently and continue in the correct positioning near
Caldwell, Idaho
Caldwell (locally CALL-dwel) is a city in and the county seat of Canyon County, Idaho. The population was 59,996 at the time of the 2020 United States census.
Caldwell is considered part of the Boise metropolitan area. Caldwell is the location ...
. This is because US 20 was not a planned coast-to-coast route while US 30 was. US 20 originally ended at the eastern entrance of Yellowstone Park; it was extended in 1940.
[
The highway's eastern terminus is in Boston, Massachusetts, at Kenmore Square, where it meets Massachusetts Route 2. Its western terminus is in ]Newport, Oregon
Newport is a city in Lincoln County, Oregon, United States. It was incorporated in 1882, though the name dates back to the establishment of a post office in 1868. Newport was named for Newport, Rhode Island. As of the 2010 census, the city h ...
, at an intersection with US 101, within a mile of the Pacific Ocean
The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the conti ...
.
Route description
Oregon
US 20 begins at an intersection with US 101 in Newport, Oregon
Newport is a city in Lincoln County, Oregon, United States. It was incorporated in 1882, though the name dates back to the establishment of a post office in 1868. Newport was named for Newport, Rhode Island. As of the 2010 census, the city h ...
, and runs generally eastward towards Idaho
Idaho ( ) is a U.S. state, state in the Pacific Northwest region of the Western United States. To the north, it shares a small portion of the Canada–United States border with the province of British Columbia. It borders the states of Monta ...
. On the way it goes over the Central Oregon Coast Range
The Central Oregon Coast Range is the middle section of the Oregon Coast Range, in the Pacific Coast Ranges physiographic region, and located in the west-central portion of the state of Oregon, United States roughly between the Salmon River and ...
, through several Willamette Valley
The Willamette Valley ( ) is a long valley in Oregon, in the Pacific Northwest region of the United States. The Willamette River flows the entire length of the valley and is surrounded by mountains on three sides: the Cascade Range to the eas ...
cities including Corvallis and Albany, climbs the Cascade Mountains
The Cascade Range or Cascades is a major mountain range of western North America, extending from southern British Columbia through Washington and Oregon to Northern California. It includes both non-volcanic mountains, such as the North Cascades, a ...
over Santiam Pass Santiam is a place name of the U.S. state of Oregon
Oregon () is a U.S. state, state in the Pacific Northwest region of the Western United States. The Columbia River delineates much of Oregon's northern boundary with Washington (state), Wa ...
, goes through Bend, and traverses the Oregon High Desert after passing through Burns. It eventually overlaps US 26 in Vale
A vale is a type of valley.
Vale may also refer to:
Places Georgia
* Vale, Georgia, a town in the Samtskhe-Javakheti region
Norway
* Våle, a historic municipality
Portugal
* Vale (Santa Maria da Feira), a former civil parish in the municipa ...
, and the two highways continue concurrently to the Idaho
Idaho ( ) is a U.S. state, state in the Pacific Northwest region of the Western United States. To the north, it shares a small portion of the Canada–United States border with the province of British Columbia. It borders the states of Monta ...
border.
Idaho
US 20 crosses into Idaho from Oregon northwest of Parma
Parma (; egl, Pärma, ) is a city in the northern Italian region of Emilia-Romagna known for its architecture, music, art, prosciutto (ham), cheese and surrounding countryside. With a population of 198,292 inhabitants, Parma is the second m ...
. It runs concurrently with US 26 and joins US 95 through Parma. US 20/US 26 leaves US 95 southeast of Parma and runs to Caldwell
Caldwell may refer to:
People
* Caldwell (surname)
* Caldwell (given name)
* Caldwell First Nation, a federally recognized Indian band in southern Ontario, Canada
Places
Great Britain
* Caldwell, Derbyshire, a hamlet
* Caldwell, Eas ...
where US 20/US 26 joins with I-84
Interstate 84 may refer to:
* Interstate 84 (Oregon–Utah), passing through Idaho, formerly known as Interstate 80N
* Interstate 84 (Pennsylvania–Massachusetts)
Interstate 84 (I-84) is an Interstate Highway in the Northeaster ...
and US 30 for a short time. These four highways parallel each other (on two roadways) to Boise
Boise (, , ) is the capital and most populous city of the U.S. state of Idaho and is the county seat of Ada County. On the Boise River in southwestern Idaho, it is east of the Oregon border and north of the Nevada border. The downtown area' ...
where US 20/US 26 runs through downtown before joining with I-84 and US 30 again to Mountain Home, where it departs at exit 95 to head east, past Rattlesnake Station
Rattlesnake Station was a stagecoach station northeast of Mountain Home, Idaho, and the original site of the Mountain Home post office. Approximately seven miles from exit 95 on Interstate 84 in present-day Elmore County, a historical marker lo ...
, Anderson Ranch Dam
Anderson Ranch Dam is an earth rockfill type dam in the western United States, on the South Fork of the Boise River in southwestern Idaho. In Elmore County northeast of Mountain Home, it is several miles north of U.S. Route 20 ...
road, and cresting at Cat Creek summit at above mean sea level
Height above mean sea level is a measure of the vertical distance ( height, elevation or altitude) of a location in reference to a historic mean sea level taken as a vertical datum. In geodesy, it is formalized as '' orthometric heights''.
Th ...
. It continues into and across Camas County through Fairfield to Timmerman Junction, the intersection in Blaine County with State Highway 75, the route to Sun Valley, Galena Summit, and Stanley. US 20 continues east through Picabo and Carey, joined with US 26 and US 93, to Craters of the Moon Craters of the Moon may refer to:
* Lunar craters, craters on the Earth's Moon
* Craters of the Moon National Monument and Preserve, a volcanic preserve in Idaho
* Craters of the Moon (geothermal site)
Craters of the Moon Thermal Area (or ''Kara ...
and Arco
ARCO ( ) is a brand of gasoline stations currently owned by Marathon Petroleum after BP sold its rights. BP commercializes the brand in Northern California, Oregon and Washington, while Marathon has rights for the rest of the United States an ...
, where US 93 splits off and turns north-northwest to climb the Big Lost River
The Big Lost River is a major river in the U.S. state of Idaho, about long.U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map, accessed May 4, 2011
Description
The river starts in the Rocky Mountai ...
valley. US 20/US 26 continues on through the Idaho National Laboratory
Idaho National Laboratory (INL) is one of the national laboratories of the United States Department of Energy and is managed by the Battelle Energy Alliance. While the laboratory does other research, historically it has been involved with nu ...
, where the highways split just west of Atomic City; US 26 heads to Blackfoot
The Blackfoot Confederacy, ''Niitsitapi'' or ''Siksikaitsitapi'' (ᖹᐟᒧᐧᒣᑯ, meaning "the people" or "Blackfoot language, Blackfoot-speaking real people"), is a historic collective name for linguistically related groups that make up t ...
and US 20 to Idaho Falls, where it turns north-northeast to pass near Rexburg
Rexburg is a city in Madison County, Idaho, United States. The population was 39,409 at the 2020 census. The city is the county seat of Madison County and its largest city. Rexburg is the principal city of the Rexburg, ID Micropolitan Statis ...
as a freeway. US 20 then climbs through the communities of St. Anthony, Ashton, and Island Park, and crosses the Continental Divide
A continental divide is a drainage divide on a continent such that the drainage basin on one side of the divide feeds into one ocean or sea, and the basin on the other side either feeds into a different ocean or sea, or else is endorheic, not c ...
at Targhee Pass at , entering Montana
Montana () is a state in the Mountain West division of the Western United States. It is bordered by Idaho to the west, North Dakota and South Dakota to the east, Wyoming to the south, and the Canadian provinces of Alberta, British Columb ...
west of West Yellowstone
West Yellowstone is a town in Gallatin County, Montana, United States, adjacent to Yellowstone National Park. The population was 1,272 at the 2020 census. West Yellowstone is served by Yellowstone Airport. It is part of the Bozeman, MT Micropo ...
.
Montana
In the state of Montana, US 20 runs for less than . It runs from the Idaho state line to West Yellowstone, Montana
West Yellowstone is a town in Gallatin County, Montana, United States, adjacent to Yellowstone National Park. The population was 1,272 at the 2020 census. West Yellowstone is served by Yellowstone Airport. It is part of the Bozeman, MT Micropo ...
, the western entrance to Yellowstone National Park
Yellowstone National Park is an American national park located in the western United States, largely in the northwest corner of Wyoming and extending into Montana and Idaho. It was established by the 42nd U.S. Congress with the Yellowst ...
. US 20 is known as the Targhee Pass Highway in Montana.
While US 20 and other U.S. Routes are officially discontinuous through the park, some commercially produced maps show these highways running inside Yellowstone National Park itself along its unnumbered roads and across the Montana–Wyoming state line.
Wyoming
In the state of Wyoming, the eastern segment of US 20 starts at the eastern entrance to Yellowstone National Park
Yellowstone National Park is an American national park located in the western United States, largely in the northwest corner of Wyoming and extending into Montana and Idaho. It was established by the 42nd U.S. Congress with the Yellowst ...
along with the western termini of US 14 and US 16. These three routes run east to Greybull, where US 14 continues east and US 16/US 20 turns south; at Worland, US 16 turns east while US 20 continues south, passing through Wind River Canyon south of Thermopolis
Thermopolis is the county seat and largest town in Hot Springs County, Wyoming, United States. As of the 2020 U.S. Census, the town population was 2,725.
Thermopolis is Greek for "hot city." It is home to numerous natural hot springs, in whi ...
. US 20 joins US 26 in Shoshoni
The Shoshone or Shoshoni ( or ) are a Native American tribe with four large cultural/linguistic divisions:
* Eastern Shoshone: Wyoming
* Northern Shoshone: southern Idaho
* Western Shoshone: Nevada, northern Utah
* Goshute: western Utah, e ...
, where it turns east, and they continue all the way through Casper
Casper may refer to:
People
* Casper (given name)
* Casper (surname)
* Casper (Maya ruler) (422–487?), ruler of the Mayan city of Palenque
* Tok Casper, first known king of Maya city-state Quiriguá in Guatemala, ruling beginning in 426
* Da ...
. From Casper, the two highways parallel I-25 and US 87 for 26 miles, until all four link up together just southeast of Glenrock. These four routes stay combined to Orin
ORiN (Open Robot/Resource interface for the Network) is a standard network interface for FA (factory automation) systems. The Japan Robot Association proposed ORiN in 2002, and the ORiN Forum develops and maintains the ORiN standard.
Background
...
, where US 20 turns east from I-25, at the western end of US 18. US 18 and US 20 are concurrent from Orin to Lusk, where US 18 turns north and US 20 continues east into Nebraska.
Nebraska
Within Nebraska
Nebraska () is a state in the Midwestern region of the United States. It is bordered by South Dakota to the north; Iowa to the east and Missouri to the southeast, both across the Missouri River; Kansas to the south; Colorado to the sout ...
, US 20 is a state highway
A state highway, state road, or state route (and the equivalent provincial highway, provincial road, or provincial route) is usually a road that is either ''numbered'' or ''maintained'' by a sub-national state or province. A road numbered by a ...
that begins on the Wyoming
Wyoming () is a state in the Mountain West subregion of the Western United States. It is bordered by Montana to the north and northwest, South Dakota and Nebraska to the east, Idaho to the west, Utah to the southwest, and Colorado to t ...
–Nebraska state line west of Harrison
Harrison may refer to:
People
* Harrison (name)
* Harrison family of Virginia, United States
Places
In Australia:
* Harrison, Australian Capital Territory, suburb in the Canberra district of Gungahlin
In Canada:
* Inukjuak, Quebec, or " ...
near the Niobrara River and runs to the Nebraska–Iowa
Iowa () is a U.S. state, state in the Midwestern United States, Midwestern region of the United States, bordered by the Mississippi River to the east and the Missouri River and Big Sioux River to the west. It is bordered by six states: Wiscon ...
state line in South Sioux City. Throughout its length the route passes through a diverse range of landscapes including bluffs and escarpment
An escarpment is a steep slope or long cliff that forms as a result of faulting or erosion and separates two relatively level areas having different elevations.
The terms ''scarp'' and ''scarp face'' are often used interchangeably with ''esca ...
s in the Northwest Panhandle
A salient (also known as a panhandle or bootheel) is an elongated protrusion of a geopolitical entity, such as a subnational entity or a sovereign state.
While similar to a peninsula in shape, a salient is most often not surrounded by water on ...
, the Nebraska Sandhills in the northern part of the state, and rolling hills and plains as the highway approaches the Missouri River valley south of Sioux City, Iowa
Sioux City () is a city in Woodbury and Plymouth counties in the northwestern part of the U.S. state of Iowa. The population was 85,797 in the 2020 census, making it the fourth-largest city in Iowa. The bulk of the city is in Woodbury County ...
. Throughout its length, US 20 is a two-lane highway with the exception of the easternmost which is four-lane divided highway, the last of which is concurrent with Interstate 129.
Iowa
US 20 enters Iowa at Sioux City
Sioux City () is a city in Woodbury and Plymouth counties in the northwestern part of the U.S. state of Iowa. The population was 85,797 in the 2020 census, making it the fourth-largest city in Iowa. The bulk of the city is in Woodbury County ...
via the Missouri River crossing with I-129 I129 or I-129 may refer to:
*Interstate 129, an auxiliary Interstate Highway which connects South Sioux City, Nebraska to Interstate 29 in Sioux City, Iowa
*Iodine-129 (I-129 or 129I), a radioactive isotope of iodine
*Form I-129 (Petition for a Non ...
and US 75. After skirting the southeast side of Sioux City as a freeway with US 75, US 20 continues east as an expressway to Moville
Moville (; ) is a coastal town located on the Inishowen Peninsula of County Donegal, Ireland, close to the northern tip of the island of Ireland. It is the first coastal town of the Wild Atlantic Way when starting on the northern end.
Locatio ...
. From Moville through north of Early at the junction with U.S. Route 71 and Iowa Highway 471, US 20 was reconstructed from a rural two-lane highway to a four-lane road. This segment re-opened October 19, 2018 and made it so that US 20 is a continuous four-lane highway for its entire length in Iowa. It passes to the north of Sac City, where it has another interchange with the realigned U.S. Route 71
U.S. Route 71 or U.S. Highway 71 (US 71) is a major north–south United States highway that extends for over 1500 miles (2500 km) in the central United States. This original 1926 route has remained largely unchanged by encroaching Interstat ...
, then passes to the south of Fort Dodge
Fort Dodge is a city in, and the county seat of, Webster County, Iowa, United States, along the Des Moines River. The population was 24,871 in the 2020 census, a decrease from 25,136 in 2000. Fort Dodge is a major commercial center for North Ce ...
and Webster City before intersecting I-35
Interstate 35 (I-35) is a major Interstate Highway in the central United States. As with most primary Interstates that end in a five, it is a major cross-country, north–south route. It stretches from Laredo, Texas, near the Mexican border ...
near Williams.
A new segment of freeway between US 65 south of Iowa Falls and Iowa Highway 14
Iowa Highway 14 (Iowa 14) is a state highway that runs from north to south across the state of Iowa for . The begins in Corydon at an intersection with Iowa 2 and ends in Charles City at an intersection with U.S. Highway 18 (US 1 ...
opened in 2003 creating a continuous four-lane route from Moorland to Dubuque. The new segment shaved off US 20's length in Iowa. In the Waterloo/ Cedar Falls area, the segment of US 20 overlapped by the Avenue of the Saints
The Avenue of the Saints is a highway in the Midwestern United States that connects St. Louis, Missouri and St. Paul, Minnesota.
Route description
Missouri
The southern end of the Avenue of the Saints is at exit 28A of Interstate 64 (I‑64) ...
, which is also designated as Iowa Highway 27. US 20 passes Independence
Independence is a condition of a person, nation, country, or state in which residents and population, or some portion thereof, exercise self-government, and usually sovereignty, over its territory. The opposite of independence is the stat ...
, Manchester
Manchester () is a city in Greater Manchester, England. It had a population of 552,000 in 2021. It is bordered by the Cheshire Plain to the south, the Pennines to the north and east, and the neighbouring city of Salford to the west. The ...
, and Dyersville
Dyersville is a city in eastern Delaware County and western Dubuque County in the U.S. state of Iowa. It is part of the Dubuque, Iowa, Metropolitan Statistical Area. The population was 4,477 at the time of the 2020 census, up from 4,035 in 200 ...
before reaching Dubuque
Dubuque (, ) is the county seat of Dubuque County, Iowa, United States, located along the Mississippi River. At the time of the 2020 census, the population of Dubuque was 59,667. The city lies at the junction of Iowa, Illinois, and Wisconsin, a ...
. At Dubuque, US 20 crosses into Illinois over the Julien Dubuque Bridge
The Julien Dubuque Bridge is a bridge over the Mississippi River that connects Dubuque, Iowa and East Dubuque, Illinois. The bridge is part of U.S. Route 20 (US 20). It is one of two automobile bridges over the Mississippi in the area (the ...
.
Illinois
In the state of Illinois, US 20 begins in East Dubuque, following southeastward along the Mississippi River, and continues into the very hilly Driftless Area
The Driftless Area, a topographical and cultural region in the American Midwest, comprises southwestern Wisconsin, southeastern Minnesota, northeastern Iowa, and the extreme northwestern corner of Illinois.
Never covered by ice during the las ...
of northwest Illinois through Galena
Galena, also called lead glance, is the natural mineral form of lead(II) sulfide (PbS). It is the most important ore of lead and an important source of silver.
Galena is one of the most abundant and widely distributed sulfide minerals. It cr ...
and Elizabeth. The highway then transitions eastward from the Driftless Area to the Interior Plains near Stockton. The road continues as a bypass north of Freeport, and then runs as a freeway along the southern fringe of Rockford. From Rockford to Chicago, Illinois
(''City in a Garden''); I Will
, image_map =
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, coordinates =
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, US 20 is a mixture of four-lane expressway, four-lane limited access freeway, and winding two-lane surface road. It is signed as "General U.S. Grant Highway" after Ulysses S. Grant
Ulysses S. Grant (born Hiram Ulysses Grant ; April 27, 1822July 23, 1885) was an American military officer and politician who served as the 18th president of the United States from 1869 to 1877. As Commanding General, he led the Union A ...
. U.S. 20 runs through the south side of Chicago as 95th Street. US 20 exits Illinois along with US 12 and US 41 as Indianapolis Boulevard south of the Chicago Skyway
Interstate 90 (I-90) in the US state of Illinois runs roughly northwest-to-southeast through the northern part of the state. From the Wisconsin state line at South Beloit, it heads south to Rockford before heading east-southeast to th ...
.
Indiana
In the state of Indiana, US 20 enters from the west beneath the Chicago Skyway
Interstate 90 (I-90) in the US state of Illinois runs roughly northwest-to-southeast through the northern part of the state. From the Wisconsin state line at South Beloit, it heads south to Rockford before heading east-southeast to th ...
with US 12 and US 41. US 20 passes through heavily industrialized northwestern Indiana and is the main east–west artery through Gary. It then parallels US 12 to just west of Michigan City before running due east through New Carlisle to South Bend
South Bend is a city in and the county seat of St. Joseph County, Indiana, on the St. Joseph River near its southernmost bend, from which it derives its name. As of the 2020 census, the city had a total of 103,453 residents and is the fourt ...
. US 20 travels around South Bend and Elkhart on the St. Joseph Valley Parkway
The St. Joseph Valley Parkway is a freeway in the U.S. states of Indiana and Michigan, serving as a bypass route around Elkhart, Mishawaka, and South Bend in Indiana and Niles in Michigan. The freeway runs to the south and west of Elkhart an ...
, a four-lane limited access freeway, then returns to surface road east of Elkhart. US 20 then passes through LaGrange
Joseph-Louis Lagrange (born Giuseppe Luigi Lagrangia[Angola
, national_anthem = "Angola Avante"()
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, capital = Luanda
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, religion_year = 2020
, religion_ref =
, coordinat ...](_blank)
, intersecting with I-69
Interstate 69 (I-69) is an Interstate Highway in the United States currently consisting of 10 unconnected segments with an original continuous segment from Indianapolis, Indiana, northeast to the Canadian border in Port Huron, Michigan, at ...
before leaving Indiana just north of the eastern terminus of the Indiana Toll Road
The Indiana Toll Road, officially the Indiana East–West Toll Road, is a tolled freeway that runs for east–west across northern Indiana from the Illinois state line to the Ohio state line. It has been advertised as the "Main Street of the ...
.
From Gary to South Bend
South Bend is a city in and the county seat of St. Joseph County, Indiana, on the St. Joseph River near its southernmost bend, from which it derives its name. As of the 2020 census, the city had a total of 103,453 residents and is the fourt ...
, US 20 was built as the Dunes Relief Road. During the 1930s and 1940s the Dunes Highway, US 12, was becoming more crowded as housing lots and communities developed in the Indiana Dunes. Today, there are numerous communities along US 20 and the lakefront, including Gary, Portage
Portage or portaging (Canada: ; ) is the practice of carrying water craft or cargo over land, either around an obstacle in a river, or between two bodies of water. A path where items are regularly carried between bodies of water is also called a ...
, Burns Harbor, Porter
Porter may refer to:
Companies
* Porter Airlines, Canadian regional airline based in Toronto
* Porter Chemical Company, a defunct U.S. toy manufacturer of chemistry sets
* Porter Motor Company, defunct U.S. car manufacturer
* H.K. Porter, Inc., ...
, Chesterton, Pines
A pine is any conifer tree or shrub in the genus ''Pinus'' () of the family Pinaceae. ''Pinus'' is the sole genus in the subfamily Pinoideae. The World Flora Online created by the Royal Botanic Gardens, Kew and Missouri Botanical Garde ...
, and Michigan City.
Most notably, the route is one of the main access roads to Indiana Dunes National Park.
Ohio
US 20 enters Ohio
Ohio () is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. Of the List of states and territories of the United States, fifty U.S. states, it is the List of U.S. states and territories by area, 34th-l ...
from Indiana just west of Columbia
Columbia may refer to:
* Columbia (personification), the historical female national personification of the United States, and a poetic name for America
Places North America Natural features
* Columbia Plateau, a geologic and geographic region i ...
and traverses east through Pioneer and Alvordton to Fayette. It continues east through Oakshade, Assumption
Assumption, in Christianity, refers to the Assumption of Mary, a belief in the taking up of the Virgin Mary into heaven.
Assumption may also refer to:
Places
* Assumption, Alberta, Canada
* Assumption, Illinois, United States
** Assumption Town ...
and becomes five-lane, non-limited access roadway into Sylvania to Toledo, and then turns south until into the Toledo suburb of Maumee. After Maumee, US 20 crosses Maumee River curving back east becoming 2 lanes through Perrysburg to Woodville, where it becomes a four-lane, non-limited access highway. It bypasses Fremont while concurrent with US 6, State Route 53, and State Route 19, and then travels through the northern edge of Clyde and the downtown area of Bellevue, where it is joined by State Route 18. From there the four-lane highway continues through Monroeville and bypasses Norwalk, then becomes a two-lane highway from there to Oberlin. Continuing east, US 20 traverses through Elyria, North Ridgeville
North Ridgeville is a city located along the eastern border of Lorain County, Ohio. The city's population was 35,552 in 2020. North Ridgeville is the fastest-growing city in northern Ohio. It has been ranked the 13th safest city in the United St ...
, Westlake, Rocky River Rocky River may refer to:
Localities
* Rocky River, Ohio, USA
* Rocky River, New South Wales near Uralla, Australia
Electorates
*Electoral district of Rocky River (South Australia)
Streams
In Australia:
* Rocky River (New South Wales)
* ...
, Lakewood and Cleveland
Cleveland ( ), officially the City of Cleveland, is a city in the United States, U.S. U.S. state, state of Ohio and the county seat of Cuyahoga County, Ohio, Cuyahoga County. Located in the northeastern part of the state, it is situated along ...
, where it goes right through Public Square. East of Cleveland US 20 follows the southern shore of Lake Erie
Lake Erie ( "eerie") is the fourth largest lake by surface area of the five Great Lakes in North America and the eleventh-largest globally. It is the southernmost, shallowest, and smallest by volume of the Great Lakes and therefore also ha ...
, following Euclid Avenue from Public Square, and traverses Euclid
Euclid (; grc-gre, Εὐκλείδης; BC) was an ancient Greek mathematician active as a geometer and logician. Considered the "father of geometry", he is chiefly known for the '' Elements'' treatise, which established the foundations of ...
, Wickliffe, where it intersects with I-90, Mentor
Mentorship is the influence, guidance, or direction given by a mentor. A mentor is someone who teaches or gives help and advice to a less experienced and often younger person. In an organizational setting, a mentor influences the personal and p ...
, Painesville
Painesville is a city in and the county seat of Lake County, Ohio, Lake County, Ohio, United States, located along the Grand River (Ohio), Grand River northeast of Cleveland. Its population was 19,563 at the 2010 United States Census, 2010 cens ...
, Madison Madison may refer to:
People
* Madison (name), a given name and a surname
* James Madison (1751–1836), fourth president of the United States
Place names
* Madison, Wisconsin, the state capital of Wisconsin and the largest city known by this ...
, Geneva
Geneva ( ; french: Genève ) frp, Genèva ; german: link=no, Genf ; it, Ginevra ; rm, Genevra is the second-most populous city in Switzerland (after Zürich) and the most populous city of Romandy, the French-speaking part of Switzerland. Situa ...
, Ashtabula and crosses into Pennsylvania
Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, ...
at Conneaut.
Pennsylvania
US 20 runs for nearly across Erie County, Pennsylvania
Erie County is a county in the Commonwealth of Pennsylvania. It is the northernmost county in Pennsylvania. As of the 2020 census, the population was 270,876. Its county seat is Erie. The county was created in 1800 and later organized in 1803. ...
, most of that time just south of the CSX
CSX Transportation , known colloquially as simply CSX, is a Class I freight railroad operating in the Eastern United States and the Canadian provinces of Ontario and Quebec. The railroad operates approximately 21,000 route miles () of trac ...
/Amtrak
The National Railroad Passenger Corporation, doing business as Amtrak () , is the national passenger railroad company of the United States. It operates inter-city rail service in 46 of the 48 contiguous U.S. States and nine cities in Canada. ...
railroad tracks. US 20 appears as West Ridge Road eastward from the Ohio border through Springfield, Girard, Fairview and Millcreek townships. At the intersection with Pennsylvania Route 832
Pennsylvania Route 832 (PA 832), known locally as Sterrettania Road and Peninsula Drive, is a state highway located in Erie County, Pennsylvania. Its northern terminus is at the entrance to Presque Isle State Park in Erie. The southern terminus is ...
, just outside the Erie city limits, it becomes West 26th Street. After it reaches city center at the intersection with State Street, it becomes East 26th Street. It turns sharply northward as Broad Street at the Bayfront Connector
Pennsylvania Route 290 (designated by the Pennsylvania Department of Transportation as SR 290) is a state highway located in the environs of Erie, Pennsylvania. The western terminus of the route is at Interstate 79 and Pennsylvania Route 5 ...
, then turns east again as Buffalo Road through Wesleyville and Harborcreek Township. Buffalo Road turns sharply northward at the town of Harborcreek. US 20 intersects with Pennsylvania Route 955 and resumes its eastward journey. At North East Township, US 20 becomes West Main Road. Within the town limits, it becomes West Main Street until it reaches the town center at its intersection with Pennsylvania Route 89, where it becomes East Main Street. Outside the town limits it becomes East Main Road until it reaches Pennsylvania's border with New York
New York most commonly refers to:
* New York City, the most populous city in the United States, located in the state of New York
* New York (state), a state in the northeastern United States
New York may also refer to:
Film and television
* '' ...
.
New York
In New York
New York most commonly refers to:
* New York City, the most populous city in the United States, located in the state of New York
* New York (state), a state in the northeastern United States
New York may also refer to:
Film and television
* '' ...
, US 20 runs roughly parallel to the New York State Thruway
, direction_a = South
, terminus_a = {{Jct, state=NY, I, 95 at the The Bronx, Bronx–Yonkers, New York City line
, junction = {{plainlist,
* {{jct, state=NY, I, 287, Parkway, Saw Mill, NY, 119 in Elmsford, New York, Elmsford
* {{jct, state=NY, ...
(I-90) throughout the state. The route runs concurrently with New York State Route 5
New York State Route 5 (NY 5) is a state highway that extends for across the state of New York in the United States. It begins at the Pennsylvania state line in the Chautauqua County town of Ripley and passes through Buffalo, Syra ...
twice, with the second overlap extending across Western
Western may refer to:
Places
*Western, Nebraska, a village in the US
*Western, New York, a town in the US
*Western Creek, Tasmania, a locality in Australia
*Western Junction, Tasmania, a locality in Australia
*Western world, countries that id ...
and Central New York
Central New York is the central region of New York State, including the following counties and cities:
With a population of about 773,606 (2009) and an area of , the region includes the Syracuse metropolitan area.
Definitions
The New York ...
from Avon to Auburn running along the top of the Finger Lakes
The Finger Lakes are a group of eleven long, narrow, roughly north–south lakes located south of Lake Ontario in an area called the ''Finger Lakes region'' in New York, in the United States. This region straddles the northern and transitional ...
crossing Canandaigua and Seneca Falls along the way. US 20 runs across the rural Cherry Valley Turnpike
A cherry is the fruit of many plants of the genus ''Prunus'', and is a fleshy drupe (stone fruit).
Commercial cherries are obtained from cultivars of several species, such as the sweet ''Prunus avium'' and the sour ''Prunus cerasus''. The nam ...
between Skaneateles and Albany. US 20 was also known as the Boston-Buffalo highway prior to the construction of the New York Thruway and Massachusetts Turnpike.
Massachusetts
In Massachusetts, US 20 runs near I-90 Mass Pike
The Massachusetts Turnpike (colloquially "Mass Pike" or "the Pike") is a toll highway in the US state of Massachusetts that is maintained by the Massachusetts Department of Transportation (MassDOT). The turnpike begins at the New York state ...
, intersecting it directly at exit 10 and indirectly at exit 94.
In part of Berkshire County
Berkshire County (pronounced ) is a county on the western edge of the U.S. state of Massachusetts. As of the 2020 census, the population was 129,026. Its largest city and traditional county seat is Pittsfield. The county was founded ...
, US 20 runs north–south as it runs concurrently with US 7. It is known as the "Jacob's Ladder Trail" as it crosses the Berkshire Hills between Lee
Lee may refer to:
Name
Given name
* Lee (given name), a given name in English
Surname
* Chinese surnames romanized as Li or Lee:
** Li (surname 李) or Lee (Hanzi ), a common Chinese surname
** Li (surname 利) or Lee (Hanzi ), a Chinese ...
in Berkshire County and Chester
Chester is a cathedral city and the county town of Cheshire, England. It is located on the River Dee, close to the English–Welsh border. With a population of 79,645 in 2011,"2011 Census results: People and Population Profile: Chester Loca ...
in Hampden County. From Chester to Westfield, US 20 and the Boston and Albany Railroad
The Boston and Albany Railroad was a railroad connecting Boston, Massachusetts to Albany, New York, later becoming part of the New York Central Railroad system, Conrail, and CSX Transportation. The line is currently used by CSX for freight. ...
follow the Westfield River down to the broad valley of the Connecticut River
The Connecticut River is the longest river in the New England region of the United States, flowing roughly southward for through four states. It rises 300 yards (270 m) south of the U.S. border with Quebec, Canada, and discharges at Long Islan ...
.
In Springfield, US 20 runs concurrently with I-291 Interstate 291 is the designation for two Interstate Highways in the United States, both of which are related to Interstate 91:
*Interstate 291 (Massachusetts), a connector to Interstate 90/Massachusetts Turnpike in Springfield
*Interstate 291 (Conn ...
between Plainfield Street and Page Boulevard; it follows Boston Road as it leaves Springfield and travels through the town of Wilbraham, eventually becoming Main Street in Palmer.
In Shrewsbury
Shrewsbury ( , also ) is a market town, civil parish, and the county town of Shropshire, England, on the River Severn, north-west of London; at the 2021 census, it had a population of 76,782. The town's name can be pronounced as either 'Sh ...
, US 20 is called "Hartford Turnpike". In Northborough, and Worcester
Worcester may refer to:
Places United Kingdom
* Worcester, England, a city and the county town of Worcestershire in England
** Worcester (UK Parliament constituency), an area represented by a Member of Parliament
* Worcester Park, London, Engla ...
it is called "Southwest Cutoff", until it merges with the original Boston Post Road
The Boston Post Road was a system of mail-delivery routes between New York City and Boston, Massachusetts that evolved into one of the first major highways in the United States.
The three major alignments were the Lower Post Road (now U.S. Ro ...
in Northborough (Southwest Cutoff and West Main Street). Southwest Cutoff was created at the turn of the century to bypass truck traffic around Shrewsbury center as well as connecting to the Boston and Worcester Turnpike.
In parts of eastern Massachusetts, US 20 follows the route of the old Boston Post Road
The Boston Post Road was a system of mail-delivery routes between New York City and Boston, Massachusetts that evolved into one of the first major highways in the United States.
The three major alignments were the Lower Post Road (now U.S. Ro ...
and passes by Longfellow's Wayside Inn, in Sudbury Sudbury may refer to:
Places Australia
* Sudbury Reef, Queensland
Canada
* Greater Sudbury, Ontario (official name; the city continues to be known simply as Sudbury for most purposes)
** Sudbury (electoral district), one of the city's federal el ...
, the oldest continually operated Inn in America. In 1926, after engineers determined that heavy truck traffic on the Boston Post Road was damaging the foundations of the Inn, Henry Ford
Henry Ford (July 30, 1863 – April 7, 1947) was an American industrialist, business magnate, founder of the Ford Motor Company, and chief developer of the assembly line technique of mass production. By creating the first automobile that ...
, then owner and proprietor, ordered the construction of the mile-and-a-half-long Route 20 bypass. Upon its completion on December 11, 1928, he sold it to the Commonwealth of Massachusetts for $1 and never cashed the check. According to the Boston Herald
The ''Boston Herald'' is an American daily newspaper whose primary market is Boston, Massachusetts, and its surrounding area. It was founded in 1846 and is one of the oldest daily newspapers in the United States. It has been awarded eight Puli ...
the by-pass cost Ford $288,000, equivalent to roughly $4.7 million in 2021. The original route of US 20 is now called Wayside Inn Road.
US 20 continues from Sudbury through Wayland, Weston
Weston may refer to:
Places Australia
* Weston, Australian Capital Territory, a suburb of Canberra
* Weston, New South Wales
* Weston Creek, a residential district of Canberra
* Weston Park, Canberra, a park
Canada
* Weston, Nova Scotia
* ...
, Waltham, Watertown and then into Boston
Boston (), officially the City of Boston, is the state capital and most populous city of the Commonwealth of Massachusetts, as well as the cultural and financial center of the New England region of the United States. It is the 24th- mo ...
through Allston
Allston is an officially recognized neighborhood within the City of Boston, Massachusetts, United States. It was named after the American painter and poet Washington Allston. It comprises the land covered by the zip code 02134. For the most pa ...
and Fenway–Kenmore
Fenway–Kenmore is an officially recognized neighborhood of Boston, Massachusetts. While it is considered one neighborhood for administrative purposes, it is composed of numerous distinct sections (East Fenway, West Fenway, Audubon Circle, Kenmor ...
. U.S. Route 20's official eastern terminus is in Kenmore Square at the intersection of Commonwealth Avenue, Beacon Street
Beacon Street is a major thoroughfare in Boston, Massachusetts and its western suburbs Brookline and Newton. It passes through many of Boston's central and western neighborhoods, including Beacon Hill, Back Bay, Fenway–Kenmore, the Boston Uni ...
, and Brookline Avenue, where the alignment becomes Massachusetts Route 2. Route 2 continues for a short distance where it terminates at Massachusetts Route 28
Route 28 is a nominally south–north state highway in the U.S. state of Massachusetts, running from the town of Eastham via Boston to the New Hampshire state line in Methuen. Following the route from its nominally southern end, Route 28 i ...
.
History
Before the U.S. Highway System, the route in New England and New York was designated as New England Interstate Route 5 (NE-5), part of the New England Interstate Route
,
,
,
,
,
The New England road marking system was a regional system of marked numbered routes in the six-state region of New England in the United States. The routes were marked by a yellow rectangular sign with black numbers and border. ...
system that existed between 1922 and 1927. Around 1923, from Springfield to Pittsfield, NE-5 was known as "Jacob's Ladder", and from Boston to Albany, the "Hubway". When US 20 was first commissioned, it took over the entirety of NE-5.
Historic termini
Until 1940, the western endpoint of US 20 was the east entrance to Yellowstone National Park
Yellowstone National Park is an American national park located in the western United States, largely in the northwest corner of Wyoming and extending into Montana and Idaho. It was established by the 42nd U.S. Congress with the Yellowst ...
.
Historic routes
Between Fort Dodge, Iowa, and Dubuque, Iowa
Dubuque (, ) is the county seat of Dubuque County, Iowa, United States, located along the Mississippi River. At the time of the 2020 census, the population of Dubuque was 59,667. The city lies at the junction of Iowa, Illinois, and Wisconsin, a r ...
, the route has been upgraded to four lanes, the last link of this completed in 2003. Much of the old route is a few miles north of the present route except between I-35
Interstate 35 (I-35) is a major Interstate Highway in the central United States. As with most primary Interstates that end in a five, it is a major cross-country, north–south route. It stretches from Laredo, Texas, near the Mexican border ...
and Waterloo. There, the old route is farther north, going through Iowa Falls, Aplington, and the north side of Cedar Falls along what is now Iowa Highway 57
Iowa Highway 57 is a state highway that runs from west to east in northern Iowa. Its western terminus is at U.S. Route 65 northeast of Iowa Falls. Its eastern terminus is at an intersection with U.S. Highway 218, Iowa Highway 27, and Iowa Highw ...
.
From just west of South Bend, Indiana
South Bend is a city in and the county seat of St. Joseph County, Indiana, on the St. Joseph River near its southernmost bend, from which it derives its name. As of the 2020 census, the city had a total of 103,453 residents and is the fourt ...
, to the St. Joseph – Elkhart county line, the old route of US 20 through St. Joseph County is now Business US 20. In Elkhart County
Elkhart County is a county located in the U.S. state of Indiana. , the county's population was 207,047. The county seat is Goshen. Elkhart County is part of the Elkhart- Goshen Metropolitan Statistical Area, which in turn is part of the Sou ...
, its old route is now classified as a county road and is simply called Old US 20. The St. Joseph Valley Parkway
The St. Joseph Valley Parkway is a freeway in the U.S. states of Indiana and Michigan, serving as a bypass route around Elkhart, Mishawaka, and South Bend in Indiana and Niles in Michigan. The freeway runs to the south and west of Elkhart an ...
is the present route of US 20 in the South Bend – Elkhart Area.
From 1930 to 1933, US 20 followed what are now Massachusetts Route 67 and Massachusetts Route 9
Route 9 is a major east–west state highway in Massachusetts. Along with U.S. Route 20 (US 20), Route 2, and Interstate 90, Route 9 is one of the major east–west routes of Massachusetts. The western terminus is near the center of the cit ...
from Worcester
Worcester may refer to:
Places United Kingdom
* Worcester, England, a city and the county town of Worcestershire in England
** Worcester (UK Parliament constituency), an area represented by a Member of Parliament
* Worcester Park, London, Engla ...
to Palmer via Shrewsbury
Shrewsbury ( , also ) is a market town, civil parish, and the county town of Shropshire, England, on the River Severn, north-west of London; at the 2021 census, it had a population of 76,782. The town's name can be pronounced as either 'Sh ...
and Northborough.[: US 20](_blank)
The 1953 Massachusetts Department of Public Works Master Plan would have relocated US 20 between Palmer, Massachusetts and either West Springfield, Massachusetts
West Springfield is a city in Hampden County, Massachusetts, Hampden County, Massachusetts, United States. It is part of the Springfield, Massachusetts Springfield metropolitan area, Massachusetts, Metropolitan Statistical Area. The population was ...
or Westfield, Massachusetts
Westfield is a city in Hampden County, in the Pioneer Valley of western Massachusetts, United States. Westfield was first settled by Europeans in 1660. It is part of the Springfield, Massachusetts Metropolitan Statistical Area. The population w ...
along the right-of-way now used by the Massachusetts Turnpike
The Massachusetts Turnpike (colloquially "Mass Pike" or "the Pike") is a toll highway in the US state of Massachusetts that is maintained by the Massachusetts Department of Transportation (MassDOT). The turnpike begins at the New York state li ...
, but this was never implemented.
Until 1970–72, US 20 followed an old route through downtown Springfield—Boston Road and State Street—crossing the Connecticut River via the older Memorial Bridge (now Massachusetts Route 147). The construction of I-291 Interstate 291 is the designation for two Interstate Highways in the United States, both of which are related to Interstate 91:
*Interstate 291 (Massachusetts), a connector to Interstate 90/Massachusetts Turnpike in Springfield
*Interstate 291 (Conn ...
prompted a change. US 20 now crosses from West Springfield at the North End Bridge, and is co-signed with I-291 until Page Boulevard, where it heads back to Boston Road via the former route of 20A.
In 2012, the Historic US Route 20 Association was formed to identify, promote and preserve the history of the route and original alignments that were once signed "Route 20" from Boston
Boston (), officially the City of Boston, is the state capital and most populous city of the Commonwealth of Massachusetts, as well as the cultural and financial center of the New England region of the United States. It is the 24th- mo ...
to Newport.
Historic names
*The portion of US 20 eastward from Illinois generally follows the path of the Yellowstone Trail
The Yellowstone Trail was the first transcontinental automobile highway through the upper tier of states in the United States, established on May 23, 1912. It was an Auto Trail that ran from the Atlantic Ocean in Plymouth, Massachusetts, throug ...
.
*In Massachusetts
Massachusetts (Massachusett: ''Muhsachuweesut Massachusett_writing_systems.html" ;"title="nowiki/> məhswatʃəwiːsət.html" ;"title="Massachusett writing systems">məhswatʃəwiːsət">Massachusett writing systems">məhswatʃəwiːsət'' En ...
, US 20 follows the Boston Post Road
The Boston Post Road was a system of mail-delivery routes between New York City and Boston, Massachusetts that evolved into one of the first major highways in the United States.
The three major alignments were the Lower Post Road (now U.S. Ro ...
in Wayland and Sudbury Sudbury may refer to:
Places Australia
* Sudbury Reef, Queensland
Canada
* Greater Sudbury, Ontario (official name; the city continues to be known simply as Sudbury for most purposes)
** Sudbury (electoral district), one of the city's federal el ...
.
*In the state of New York
New York most commonly refers to:
* New York City, the most populous city in the United States, located in the state of New York
* New York (state), a state in the northeastern United States
New York may also refer to:
Film and television
* '' ...
, part of US 20 follows the old Cherry Valley Turnpike
A cherry is the fruit of many plants of the genus ''Prunus'', and is a fleshy drupe (stone fruit).
Commercial cherries are obtained from cultivars of several species, such as the sweet ''Prunus avium'' and the sour ''Prunus cerasus''. The nam ...
and is still referred to by that name in some places.
*From Buffalo westward to Cleveland, Ohio
Cleveland ( ), officially the City of Cleveland, is a city in the U.S. state of Ohio and the county seat of Cuyahoga County. Located in the northeastern part of the state, it is situated along the southern shore of Lake Erie, across the U.S ...
, US 20 follows the path of the Buffalo Stage Road.
*Between Fremont, Ohio and Perrysburg, Ohio, the road dates back to the late 1830s. It was known then as the Maumee and Western Reserve
The Connecticut Western Reserve was a portion of land claimed by the Colony of Connecticut and later by the state of Connecticut in what is now mostly the northeastern region of Ohio. The Reserve had been granted to the Colony under the terms o ...
Road. Nicknamed "Mud Pike" and earned a reputation as "The worst road on the continent" for the mudholes that would trap wagon wheels and slow draft animals. Travelers sometimes would take three days to travel . It is still signed as Maumee St. in and near Angola, IN.
*Through western Indiana
Indiana () is a U.S. state in the Midwestern United States. It is the 38th-largest by area and the 17th-most populous of the 50 States. Its capital and largest city is Indianapolis. Indiana was admitted to the United States as the 19th ...
, US 20 was built as the Dunes Relief Road, as it bypassed the heavily traveled Dunes Highway.
*Northwest of Chicago
(''City in a Garden''); I Will
, image_map =
, map_caption = Interactive Map of Chicago
, coordinates =
, coordinates_footnotes =
, subdivision_type = List of sovereign states, Count ...
it is called Ulysses S. Grant Highway.
*On March 25, 2019, Idaho officially labeled their section of US 20 as the Idaho Medal of Honor Highway in honor of 48 Medal of Honor Recipients with strong Idaho attachments.
Major intersections
;Western segment
:;Oregon
:: at West Olive Street in Newport
:: in Albany
:: in Bend
:: in Riley. The highways travel concurrently to northeast of Burns.
:: in Vale
A vale is a type of valley.
Vale may also refer to:
Places Georgia
* Vale, Georgia, a town in the Samtskhe-Javakheti region
Norway
* Våle, a historic municipality
Portugal
* Vale (Santa Maria da Feira), a former civil parish in the municipa ...
. The highways travel concurrently to Mountain Home, Idaho
Mountain Home is the largest city and county seat of Elmore County, Idaho, United States. The population was 15,979 in the 2020 census. Mountain Home is the principal city of the Mountain Home, Idaho Micropolitan Statistical Area, which include ...
.
:;Idaho
:: north of Parma
Parma (; egl, Pärma, ) is a city in the northern Italian region of Emilia-Romagna known for its architecture, music, art, prosciutto (ham), cheese and surrounding countryside. With a population of 198,292 inhabitants, Parma is the second m ...
. The highways travel concurrently to southeast of Parma.
:: north of Caldwell
Caldwell may refer to:
People
* Caldwell (surname)
* Caldwell (given name)
* Caldwell First Nation, a federally recognized Indian band in southern Ontario, Canada
Places
Great Britain
* Caldwell, Derbyshire, a hamlet
* Caldwell, Eas ...
. The highways travel concurrently to Caldwell.
:: in Boise
Boise (, , ) is the capital and most populous city of the U.S. state of Idaho and is the county seat of Ada County. On the Boise River in southwestern Idaho, it is east of the Oregon border and north of the Nevada border. The downtown area' ...
. The highways travel concurrently through the city.
:: in Boise. The highways travel concurrently to Mountain Home.
:: in Carey. US 20/US 26 travel concurrently to northwest of Atomic City. US 20/US 93 travel concurrently to Arco
ARCO ( ) is a brand of gasoline stations currently owned by Marathon Petroleum after BP sold its rights. BP commercializes the brand in Northern California, Oregon and Washington, while Marathon has rights for the rest of the United States an ...
.
:: in Idaho Falls. The highways travel concurrently through the city.
:;Montana
:: at Firehole Avenue in West Yellowstone
West Yellowstone is a town in Gallatin County, Montana, United States, adjacent to Yellowstone National Park. The population was 1,272 at the 2020 census. West Yellowstone is served by Yellowstone Airport. It is part of the Bozeman, MT Micropo ...
. The highways travel concurrently to the West Entrance to Yellowstone National Park
Yellowstone National Park is an American national park located in the western United States, largely in the northwest corner of Wyoming and extending into Montana and Idaho. It was established by the 42nd U.S. Congress with the Yellowst ...
.
;Yellowstone National Park segment (unofficial designation)
:: travels concurrently from the park's West Entrance to West Thumb.
:: north-northwest of West Thumb. The highways travel concurrently to West Thumb.
:: in West Thumb. The highways travel concurrently to the park's East Entrance.
;Eastern segment
:;Wyoming
:: at the East Entrance to Yellowstone National Park, southeast of Pahaska Tepee
Pahaska Tepee is William "Buffalo Bill" Cody's old hunting lodge and hotel in the U.S. state of Wyoming. It is located west of the town of Cody and two miles from the east entrance to Yellowstone National Park.
History
Cody built Pahaska Tepee ...
. US 14/US 20 travel concurrently to Greybull. US 16/US 20 travel concurrently to Worland.
:: west-northwest of Greybull
:: in Shoshoni
The Shoshone or Shoshoni ( or ) are a Native American tribe with four large cultural/linguistic divisions:
* Eastern Shoshone: Wyoming
* Northern Shoshone: southern Idaho
* Western Shoshone: Nevada, northern Utah
* Goshute: western Utah, e ...
. The highways travel concurrently to Orin
ORiN (Open Robot/Resource interface for the Network) is a standard network interface for FA (factory automation) systems. The Japan Robot Association proposed ORiN in 2002, and the ORiN Forum develops and maintains the ORiN standard.
Background
...
.
:: at Events Drive on the Casper
Casper may refer to:
People
* Casper (given name)
* Casper (surname)
* Casper (Maya ruler) (422–487?), ruler of the Mayan city of Palenque
* Tok Casper, first known king of Maya city-state Quiriguá in Guatemala, ruling beginning in 426
* Da ...
– Hartrandt city line. I-25/US 20 travel concurrently into Casper proper. US 20/US 87 travel concurrently to Orin
ORiN (Open Robot/Resource interface for the Network) is a standard network interface for FA (factory automation) systems. The Japan Robot Association proposed ORiN in 2002, and the ORiN Forum develops and maintains the ORiN standard.
Background
...
.
:: in Casper
:: southeast of Glenrock. The highways travel concurrently to Orin
ORiN (Open Robot/Resource interface for the Network) is a standard network interface for FA (factory automation) systems. The Japan Robot Association proposed ORiN in 2002, and the ORiN Forum develops and maintains the ORiN standard.
Background
...
.
:: in Orin
ORiN (Open Robot/Resource interface for the Network) is a standard network interface for FA (factory automation) systems. The Japan Robot Association proposed ORiN in 2002, and the ORiN Forum develops and maintains the ORiN standard.
Background
...
. US 18/US 20 travel concurrently to Lusk.
:: in Lusk. The highways travel concurrently through the town.
:;Nebraska
:: west of Chadron. The highways travel concurrently to Chadron.
:: in Valentine. The highways travel concurrently to south-southeast of Valentine.
:: west-northwest of Long Pine. The highways travel concurrently to Bassett.
:: in O'Neill
The O'Neill dynasty ( Irish: ''Ó Néill'') are a lineage of Irish Gaelic origin, that held prominent positions and titles in Ireland and elsewhere. As kings of Cenél nEógain, they were historically the most prominent family of the Northe ...
. The highways travel concurrently through the city.
:: in O'Neill. US 20/US 275 travel concurrently to southeast of Inman.
:: west-southwest of Randolph
:: in South Sioux City. I-129/US 20 travel concurrently to Sioux City, Iowa
Sioux City () is a city in Woodbury and Plymouth counties in the northwestern part of the U.S. state of Iowa. The population was 85,797 in the 2020 census, making it the fourth-largest city in Iowa. The bulk of the city is in Woodbury County ...
. US 20/US 75 travel concurrently to the Woodbury–Concord
Concord may refer to:
Meaning "agreement"
* Pact or treaty, frequently between nations (indicating a condition of harmony)
* Harmony, in music
* Agreement (linguistics), a change in the form of a word depending on grammatical features of other ...
township line.
:;Iowa
:: in Sioux City
Sioux City () is a city in Woodbury and Plymouth counties in the northwestern part of the U.S. state of Iowa. The population was 85,797 in the 2020 census, making it the fourth-largest city in Iowa. The bulk of the city is in Woodbury County ...
:: in Holstein
Holstein (; nds, label=Northern Low Saxon, Holsteen; da, Holsten; Latin and historical en, Holsatia, italic=yes) is the region between the rivers Elbe and Eider. It is the southern half of Schleswig-Holstein, the northernmost state of German ...
. The highways travel concurrently to southeast of Holstein.
:: in Boyer Valley Township.
:: in Elkhorn Township
:: in Liberty Township
:: in Rose Grove Township
:: in Ellis Township
:: in Waterloo
:: in Waterloo. I-380/US 20 travel concurrently to Poyner Township.
:: in Dyersville
Dyersville is a city in eastern Delaware County and western Dubuque County in the U.S. state of Iowa. It is part of the Dubuque, Iowa, Metropolitan Statistical Area. The population was 4,477 at the time of the 2020 census, up from 4,035 in 200 ...
. The highway travels concurrently to Dubuque
Dubuque (, ) is the county seat of Dubuque County, Iowa, United States, located along the Mississippi River. At the time of the 2020 census, the population of Dubuque was 59,667. The city lies at the junction of Iowa, Illinois, and Wisconsin, a ...
.
:: in Dubuque
Dubuque (, ) is the county seat of Dubuque County, Iowa, United States, located along the Mississippi River. At the time of the 2020 census, the population of Dubuque was 59,667. The city lies at the junction of Iowa, Illinois, and Wisconsin, a ...
:;Illinois
:: in Rockford. The highways travel concurrently to Cherry Valley.
:: north-northeast of Hampshire
Hampshire (, ; abbreviated to Hants) is a ceremonial and non-metropolitan county in western South East England on the coast of the English Channel. Home to two major English cities on its south coast, Southampton and Portsmouth, Hampshire ...
:: in Addison
:: in Elmhurst. The highways travel concurrently through the city.
:: on the Stone Park- Melrose Park city line. US 12/US 20 travel concurrently to East Chicago, Indiana
East Chicago is a city in Lake County, Indiana, United States. The population was 29,698 at the 2010 census. The city is home of the Indiana Harbor and Ship Canal, an artificial freshwater harbor characterized by industrial and manufacturing ac ...
. US 20/US 45 travel concurrently to west of the Palos Hills
Palos Hills is a city in Cook County, Illinois, United States. It is a southwest suburb of Chicago. The city was established in 1958 and had reached a population of 18,530 in the 2020 census. It is the home of Moraine Valley Community College as ...
- Hickory Hills city line.
:: on the Bellwood- Hillside- Westchester city line
:: in La Grange
:: on the Countryside
In general, a rural area or a countryside is a geographic area that is located outside towns and cities. Typical rural areas have a low population density and small settlements. Agricultural areas and areas with forestry typically are desc ...
- Hodgkins city line
:: in Willow Springs
:: on the Hickory Hills- Bridgeview city line
:: in Chicago
(''City in a Garden''); I Will
, image_map =
, map_caption = Interactive Map of Chicago
, coordinates =
, coordinates_footnotes =
, subdivision_type = List of sovereign states, Count ...
. The highways travel concurrently to Whiting.
:;Indiana
:: northwest of Whiting
:: on the Hammond- Gary city line. The highways travel concurrently into Gary proper.
:: in Gary
:: in Gary
:: in Burns Harbor
:: in Michigan City
:: east-southeast of Michigan City
:: east-southeast of Michigan City
:: in South Bend
South Bend is a city in and the county seat of St. Joseph County, Indiana, on the St. Joseph River near its southernmost bend, from which it derives its name. As of the 2020 census, the city had a total of 103,453 residents and is the fourt ...
. The highways travel concurrently through the city.
:: in Elkhart
:: in Jackson Township
:;Ohio
:: in Mill Creek Township. The highways travel concurrently to Gorham Township.
:: in Sylvania
:: in Maumee
:: in Maumee
:: in Perrysburg. US 20/US 23 travel concurrently to the Troy
Troy ( el, Τροία and Latin: Troia, Hittite: 𒋫𒊒𒄿𒊭 ''Truwiša'') or Ilion ( el, Ίλιον and Latin: Ilium, Hittite: 𒃾𒇻𒊭 ''Wiluša'') was an ancient city located at Hisarlik in present-day Turkey, south-west of Ç ...
- Woodville township line.
:: in Sandusky Township. The highways travel concurrently to Fremont.
:: in Norwalk
:: in Lakewood. The highways travel concurrently to Cleveland
Cleveland ( ), officially the City of Cleveland, is a city in the United States, U.S. U.S. state, state of Ohio and the county seat of Cuyahoga County, Ohio, Cuyahoga County. Located in the northeastern part of the state, it is situated along ...
.
:: in Cleveland. US 20/US 422 travel concurrently for one block.
:: in East Cleveland. The highways travel concurrently to Euclid
Euclid (; grc-gre, Εὐκλείδης; BC) was an ancient Greek mathematician active as a geometer and logician. Considered the "father of geometry", he is chiefly known for the '' Elements'' treatise, which established the foundations of ...
.
:: on the Euclid
Euclid (; grc-gre, Εὐκλείδης; BC) was an ancient Greek mathematician active as a geometer and logician. Considered the "father of geometry", he is chiefly known for the '' Elements'' treatise, which established the foundations of ...
- Wickliffe city line
:;Pennsylvania
:: in Springfield Township
:: in Erie
:: in Erie
:: east-northeast of North East
The points of the compass are a set of horizontal, radially arrayed compass directions (or azimuths) used in navigation and cartography. A compass rose is primarily composed of four cardinal directions—north, east, south, and west—each sep ...
:;New York
:: in Hanover
Hanover (; german: Hannover ; nds, Hannober) is the capital and largest city of the German state of Lower Saxony. Its 535,932 (2021) inhabitants make it the 13th-largest city in Germany as well as the fourth-largest city in Northern Germany ...
:: east of Avon
:: south-southwest of LaFayette
:: south of LaFayette
:: in McKownville
:: in Albany
:: in Albany. The highways travel concurrently to Schodack
Schodack is a town in Rensselaer County, New York, United States. The population was 12,965 at the 2020 census. The town name is derived from the Mahican word, Escotak. The town is in the southwestern part of the county. Schodack is southeast of ...
.
:: in East Greenbush
:: in Schodack
Schodack is a town in Rensselaer County, New York, United States. The population was 12,965 at the 2020 census. The town name is derived from the Mahican word, Escotak. The town is in the southwestern part of the county. Schodack is southeast of ...
:;Massachusetts
:: in Pittsfield
Pittsfield is the largest city and the county seat of Berkshire County, Massachusetts, United States. It is the principal city of the Pittsfield, Massachusetts Metropolitan Statistical Area which encompasses all of Berkshire County. Pittsfield ...
. The highways travel concurrently to Lenox.
:: in Lee
Lee may refer to:
Name
Given name
* Lee (given name), a given name in English
Surname
* Chinese surnames romanized as Li or Lee:
** Li (surname 李) or Lee (Hanzi ), a common Chinese surname
** Li (surname 利) or Lee (Hanzi ), a Chinese ...
:: in Westfield. The highways travel concurrently through the city.
:: in West Springfield
:: in Springfield
:: in Springfield. The highways travel concurrently through the city.
:: in Sturbridge
Sturbridge is a town in Worcester County, Massachusetts, United States. It is home to Old Sturbridge Village living history museum and other sites of historical interest such as Tantiusques.
The population was 9,867 at the 2020 census, with more ...
:: in Auburn
:: in Marlborough
:: in Waltham
:: in Boston
Boston (), officially the City of Boston, is the state capital and most populous city of the Commonwealth of Massachusetts, as well as the cultural and financial center of the New England region of the United States. It is the 24th- mo ...
See also
*Massachusetts Route 20A
U.S. Route 20 (US 20) runs its easternmost in the U.S. state of Massachusetts. The highway crosses the state border from New Lebanon, New York, into Hancock, Massachusetts, and runs eastward to Boston, where it ends at State Route 2 in Kenmo ...
* U.S. Route 20A in New York
New York most commonly refers to:
* New York City, the most populous city in the United States, located in the state of New York
* New York (state), a state in the northeastern United States
New York may also refer to:
Film and television
* '' ...
* U.S. Route 20A in Ohio
Ohio () is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. Of the List of states and territories of the United States, fifty U.S. states, it is the List of U.S. states and territories by area, 34th-l ...
* U.S. Route 20 Business—Sioux City, Iowa
Sioux City () is a city in Woodbury and Plymouth counties in the northwestern part of the U.S. state of Iowa. The population was 85,797 in the 2020 census, making it the fourth-largest city in Iowa. The bulk of the city is in Woodbury County ...
; also passes through South Sioux City, Nebraska
* U.S. Route 20 Business— Fort Dodge, Iowa
* U.S. Route 120
Pennsylvania Route 120 (PA 120) is a state highway in the U.S. state of Pennsylvania, running from U.S. Route 219 (US 219) in Ridgway east to US 220 near Lock Haven.
Bucktail State Park Natural Area
In much of Cameron and Clinton counties, ...
, became Pennsylvania Route 120 in 1967
* U.S. Route 220
* U.S. Route 320 (now decommissioned, was part of the old Route 26)
* U.S. Route 420 (part of U.S. Route 14 Alternate)
References
Further reading
*
*
External links
Galena Bypass project homepage
Illinois Highway Ends: US 20
Indiana Highway Ends: US 20
by Michael G. Buettner, February 2006
US 20 Travelogue in New York
at Empire State Roads
August 11, 2006, article in ''The New York Times
''The New York Times'' (''the Times'', ''NYT'', or the Gray Lady) is a daily newspaper based in New York City with a worldwide readership reported in 2020 to comprise a declining 840,000 paid print subscribers, and a growing 6 million paid ...
'' Escapes section.
Flickr Group
for photos taken along US 20
at USends.com
Twenty West: The Great Road Across America
��book about US 20
Historic US Route 20 Association
Site dedicated to the preservation and promotion of Historic US Route 20
{{Authority control
20
20