Interstate 75 (I-75) is a major north–south

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

Great Lakes The Great Lakes, also called the Great Lakes of North America, are a series of large interconnected freshwater lakes in the mid-east region of North America that connect to the Atlantic Ocean via the Saint Lawrence River. There are five lakes ...

and

Southeastern 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 ...

regions of the

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country Continental United States, primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., ...

. As with most Interstates that end in 5, it is a major cross-country, north–south route, traveling from State Road 826 (SR 826, Palmetto Expressway) and SR 924 (Gratigny Parkway) on the Hialeah–

Miami Lakes Miami Lakes is a suburb of Miami, an incorporated town and former census-designated place in Miami-Dade County, Florida, United States. US Census, 31,628 people live in Miami Lakes. History The development was constructed by Sengra (now the ...

border (northwest of

Miami, Florida Miami ( ), officially the City of Miami, known as "the 305", "The Magic City", and "Gateway to the Americas", is a coastal metropolis and the county seat of Miami-Dade County in South Florida, United States. With a population of 442,241 at ...

) to Sault Ste. Marie, Michigan, at the Canadian border. It is the second-longest north–south Interstate Highway (after I-95) and the seventh-longest Interstate Highway overall. I-75 passes through six different states. The highway runs the length of the Florida peninsula from the Miami area and up the

Gulf Coast The Gulf Coast of the United States, also known as the Gulf South, is the coast, coastline along the Southern United States where they meet the Gulf of Mexico. The list of U.S. states and territories by coastline, coastal states that have a shor ...

through

Tampa Tampa () is a city on the Gulf Coast of the U.S. state of Florida. The city's borders include the north shore of Tampa Bay and the east shore of Old Tampa Bay. Tampa is the largest city in the Tampa Bay area and the seat of Hillsborough C ...

. Farther north in Georgia, I-75 continues on through Macon and

Atlanta Atlanta ( ) is the capital and most populous city of the U.S. state of Georgia. It is the seat of Fulton County, the most populous county in Georgia, but its territory falls in both Fulton and DeKalb counties. With a population of 498,7 ...

before running through

Chattanooga Chattanooga ( ) is a city in and the county seat of Hamilton County, Tennessee, United States. Located along the Tennessee River bordering Georgia, it also extends into Marion County on its western end. With a population of 181,099 in 2020, ...

and Knoxville and the Cumberland Mountains in Tennessee. I-75 crosses Kentucky, passing through

Lexington Lexington may refer to: Places England * Laxton, Nottinghamshire, formerly Lexington Canada * Lexington, a district in Waterloo, Ontario United States * Lexington, Kentucky, the largest city with this name * Lexington, Massachusetts, the oldes ...

before crossing the

Ohio River The Ohio River is a long river in the United States. It is located at the boundary of the Midwestern and Southern United States, flowing southwesterly from western Pennsylvania to its mouth on the Mississippi River at the southern tip of ...

into

Cincinnati, Ohio Cincinnati ( ) is a city in the U.S. state of Ohio and the county seat of Hamilton County. Settled in 1788, the city is located at the northern side of the confluence of the Licking and Ohio rivers, the latter of which marks the state line w ...

. In Ohio, the highway runs up the western side through

Dayton Dayton () is the sixth-largest city in the U.S. state of Ohio and the county seat of Montgomery County. A small part of the city extends into Greene County. The 2020 U.S. census estimate put the city population at 137,644, while Greater Da ...

and

Lima Lima ( ; ), originally founded as Ciudad de Los Reyes (City of The Kings) is the capital and the largest city of Peru. It is located in the valleys of the Chillón, Rímac and Lurín Rivers, in the desert zone of the central coastal part of ...

before crossing into Michigan north of Toledo. I-75 runs northeasterly along the

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 ...

shoreline and Detroit River into the city of

Detroit Detroit ( , ; , ) is the largest city in the U.S. state of Michigan. It is also the largest U.S. city on the United States–Canada border, and the seat of government of Wayne County. The City of Detroit had a population of 639,111 at t ...

before turning northwesterly and northward to the

Mackinac Bridge The Mackinac Bridge ( ) is a suspension bridge spanning the Straits of Mackinac, connecting the Upper and Lower peninsulas of the U.S. state of Michigan. Opened in 1957, the bridge (familiarly known as "Big Mac" and "Mighty Mac") is the worl ...

where the freeway crosses the strait between Lakes

Huron Huron may refer to: People * Wyandot people (or Wendat), indigenous to North America * Wyandot language, spoken by them * Huron-Wendat Nation, a Huron-Wendat First Nation with a community in Wendake, Quebec * Nottawaseppi Huron Band of Potawato ...

and

Michigan Michigan () is a state in the Great Lakes region of the upper Midwestern United States. With a population of nearly 10.12 million and an area of nearly , Michigan is the 10th-largest state by population, the 11th-largest by area, and t ...

. Farther north, I-75 approaches the Canadian border at Sault Ste. Marie, downriver from

Lake Superior Lake Superior in central North America is the largest freshwater lake in the world by surface areaThe Caspian Sea is the largest lake, but is saline, not freshwater. and the third-largest by volume, holding 10% of the world's surface fresh wa ...

, from its origins near the subtropical

Atlantic Ocean The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It covers approximately 20% of Earth's surface and about 29% of its water surface area. It is known to separate the " Old World" of Africa, Europe ...

Route description

, - , FL , , 470.88 , , 757.81 , - , GA , , 355.11 , , 571.49 , - , TN , , 161.86 , , 260.49 , - , KY , , 191.78 , , 308.64 , - , OH , , 211.30 , , 340.05 , - , MI , , 395.54 , , 636.56 , - , Total , , 1786.47 , , 2875.04

Florida

I-75 starts at an interchange with SR 924 and SR 826 on the Hialeah–

border in suburban

Miami Miami ( ), officially the City of Miami, known as "the 305", "The Magic City", and "Gateway to the Americas", is a coastal metropolis and the county seat of Miami-Dade County in South Florida, United States. With a population of 442,241 at ...

. After an intersection with the

Homestead Extension of Florida's Turnpike The Homestead Extension of Florida's Turnpike (HEFT), designated as unsigned State Road 821 (SR 821), is the southern extension of Florida's Turnpike, a toll road in the U.S. state of Florida maintained by Florida's Turnpike Enterprise ( ...

and an interchange with I-595 and the Sawgrass Expressway (SR 869), the Interstate leaves the

Miami metropolitan area The Miami metropolitan area (also known as Greater Miami, the Tri-County Area, South Florida, or the Gold Coast) is the ninth largest metropolitan statistical area in the United States and the List of largest cities, 34th largest metropolitan ar ...

and turns westward to travel through the

Everglades The Everglades is a natural region of tropical wetlands in the southern portion of the U.S. state of Florida, comprising the southern half of a large drainage basin within the Neotropical realm. The system begins near Orlando with the Kissim ...

along the tolled Alligator Alley, which brings the highway to the Gulf Coast and

Naples Naples (; it, Napoli ; nap, Napule ), from grc, Νεάπολις, Neápolis, lit=new city. is the regional capital of Campania and the third-largest city of Italy, after Rome and Milan, with a population of 909,048 within the city's adm ...

, where it again heads north. Passing through

Bonita Springs (beautiful), eng, beautiful springs , settlement_type = City , image_skyline = Bonita_Beach.JPG , imagesize = 250x200px , image_caption = Bonita Beach , image_flag ...

, Fort Myers, and Sarasota, I-75 is six lanes all the way to Georgia. The freeway enters the

Tampa Bay area The Tampa Bay area is a major populated area surrounding Tampa Bay on the west coast of Florida in the United States. It includes the main cities of Tampa, St. Petersburg, and Clearwater. It is the 18th largest metropolitan area in the Unite ...

before the interchange with I-275 northbound, which handles St. Petersburg-bound traffic. Within the Tampa metro are three more major junctions: one with the Lee Roy Selmon Expressway which carries traffic into

Downtown Tampa Downtown Tampa is the central business district of Tampa, Florida, United States, and the chief financial district of the Tampa Bay Area. It is second only to Westshore regarding employment in the area. Companies with a major presence downtown ...

, one with I-4 (a

turbine interchange In the field of road transport, an interchange (American English) or a grade-separated junction (British English) is a road junction that uses grade separations to allow for the movement of traffic between two or more roadways or highways, using ...

) which carries traffic across the center of the state to the East Coast, and another as I-275 traffic defaults back onto northbound. The freeway proceeds to enter suburban portions of Pasco, Hernando, and Sumter counties on its way to Ocala and Gainesville. At

Lake City, Florida Lake City is a city in northern Florida. It is the county seat of Columbia County, Florida, United States. As of the 2020 census, the city's population was 12,329. It is the principal city of the Lake City Micropolitan Statistical Area, which ...

I-10 Interstate 10 (I-10) is the southernmost cross-country highway in the American Interstate Highway System. I-10 is the fourth-longest Interstate in the United States at , following I-90, I-80, and I-40. This freeway is part of the originally p ...

, intersects with I-75. Afterward, the northmost stretch of I-75 in Florida exits the Sunshine State into southern

Georgia Georgia most commonly refers to: * Georgia (country), a country in the Caucasus region of Eurasia * Georgia (U.S. state), a state in the Southeast United States Georgia may also refer to: Places Historical states and entities * Related to the ...

Georgia

I-75 (unsigned State Route 401 R 401within Georgia) enters

near Lake Park, and it continues northward through the towns of Valdosta, Tifton, and Cordele until it reaches the Macon area, where it intersects with

I-16 I16 may refer to: * Interstate 16, an interstate highway in the U.S. state of Georgia * Polikarpov I-16, a Soviet fighter aircraft introduced in the 1930s * Halland Regiment * , a Japanese Type C submarine * i16, a name for the 16-bit signed integ ...

eastbound toward I-75's route. After Macon, it passes the small town of Forsyth. The freeway reaches no major junctions again until in the

Atlanta metropolitan area Metro Atlanta, designated by the United States Office of Management and Budget as the Atlanta–Sandy Springs–Alpharetta, GA Metropolitan Statistical Area, is the most populous metropolitan statistical area in the U.S. state of Georgia and th ...

. The first metropolitan freeway met is

I-675 Interstate 675 may refer to: *Interstate 675 (Georgia), a connection south of Atlanta, Georgia *Interstate 675 (Michigan) Interstate 675 (I-675) is an auxiliary Interstate Highway in the US state of Michigan. The freeway is a loop route th ...

, then followed by I-285, Atlanta's only beltway dubbed as the Perimeter Beltway. It crosses inside the I-285 beltway and heads north several miles toward

Downtown Atlanta Downtown Atlanta is the central business district of Atlanta, Georgia, United States. The larger of the city's two other commercial districts ( Midtown and Buckhead), it is the location of many corporate and regional headquarters; city, county ...

. I-75 then runs concurrently with

I-85 Interstate 85 (I-85) is a major Interstate Highway in the Southeastern United States. Its southern terminus is at an interchange with I-65 in Montgomery, Alabama; its northern terminus is an interchange with I-95 in Petersburg, Virginia, n ...

due north over the

Downtown Connector In Downtown Atlanta, the Downtown Connector or 75/85 (pronounced "seventy-five eighty-five") is the concurrent section of Interstate 75 and Interstate 85 through the core of the city. Beginning at the I-85/ Langford Parkway interchange, ...

through the central business district of Atlanta, where it intersects with

I-20 Interstate 20 (I‑20) is a major east–west Interstate Highway in the Southern United States. I-20 runs beginning at an interchange with I-10 in Scroggins Draw, Texas, and ending at an interchange with I-95 in Florence, South Carolina. Betwe ...

. The areas where I-85 and I-75 run concurrently are some of the most traffic-prone Interstate Highways in the nation. After the two Interstates split, I-75 diverts from I-85 and heads toward the northwest suburbs of Atlanta, with the major cities being Marietta and Kennesaw that it bypasses. To the northwest of Marietta, the highway runs concurrently with

I-575 Interstate 575 (I-575) is an auxiliary Interstate Highway in the United States, which branches off I-75 in Kennesaw and connects the Atlanta metropolitan area with the North Georgia mountains, extending . I-575 is also the unsigned Stat ...

. After the interchange with I-575, the highway leaves the Atlanta metro area and traverses the

Blue Ridge Mountains The Blue Ridge Mountains are a physiographic province of the larger Appalachian Mountains range. The mountain range is located in the Eastern United States, and extends 550 miles southwest from southern Pennsylvania through Maryland, West Virg ...

in the north Georgia region as it heads toward Chattanooga.

Tennessee

The freeway enters

Tennessee Tennessee ( , ), officially the State of Tennessee, is a landlocked U.S. state, state in the Southeastern United States, Southeastern region of the United States. Tennessee is the List of U.S. states and territories by area, 36th-largest by ...

directly in the Chattanooga metropolitan area, where it intersects with I-24. Exiting

to the northeast, I-75 passes through an area known for dense fog. Twelve people were killed and 42 were injured in a 1990 I-75 fog disaster on that stretch of I-75 in heavy fog on December 11, 1990. I-75 does not meet any other freeways until it overlaps

I-40 Interstate 40 (I-40) is a major east–west Interstate Highway running through the south-central portion of the United States. At a length of , it is the third-longest Interstate Highway in the country, after I-90 and I-80. From west to ea ...

near Farragut and heads eastbound. Together, they enter the outskirts of Knoxville, where I-75 overlaps itself with a different road, this time I-640, but only for a short time. When the two meet I-275, I-75 encounters some of its highest points of elevation through the Cumberland Mountains, cutting through the uppermost peaks and ridges.

Kentucky

I-75 continues northbound through the hilly terrain of the Cumberland Plateau region of

Kentucky Kentucky ( , ), officially the Commonwealth of Kentucky, is a state in the Southeastern region of the United States and one of the states of the Upper South. It borders Illinois, Indiana, and Ohio to the north; West Virginia and Virginia ...

, passing through

London London is the capital and List of urban areas in the United Kingdom, largest city of England and the United Kingdom, with a population of just under 9 million. It stands on the River Thames in south-east England at the head of a estuary dow ...

and

Richmond Richmond most often refers to: * Richmond, Virginia, the capital of Virginia, United States * Richmond, London, a part of London * Richmond, North Yorkshire, a town in England * Richmond, British Columbia, a city in Canada * Richmond, Californi ...

and eventually reaching

, where it briefly runs concurrently with I-64 before splitting off in the direction of Georgetown. Afterward, the route heads in the direction of Ohio. Near Walton, I-71 runs concurrently with I-75 for the next or so and heads toward Cincinnati. The two concurrent Interstates then make an interchange with I-275, the Cincinnati beltway. After passing through Covington, the I-71/I-75 highway traverses the

via the lower level of the Brent Spence Bridge and continues into

Downtown Cincinnati Downtown Cincinnati is the central business district of Cincinnati, Ohio, as well the economic and symbiotic center of the Cincinnati metropolitan area. It also contains a number of urban neighborhoods in the low land area between the Ohio Ri ...

Ohio

Immediately after entering

Cincinnati Cincinnati ( ) is a city in the U.S. state of Ohio and the county seat of Hamilton County. Settled in 1788, the city is located at the northern side of the confluence of the Licking and Ohio rivers, the latter of which marks the state line w ...

, I-75 diverges from I-71, remaining generally due north through the Cincinnati metro area while I-71 curves more to the east and northeast through downtown Cincinnati and its surrounding suburbs.

I-74 } Interstate 74 (I-74) is an Interstate Highway in the Midwestern and Southeastern United States. Its western end is at an interchange with I-80 in Davenport, Iowa ( Quad Cities); the eastern end of its Midwest segment is at an interch ...

Ohio State Route 562 State Route 562 is an expressway in the Cincinnati metro area of southwestern Ohio. It travels east–west between Interstate 75 and Interstate 71, crossing through the suburban enclave of Norwood. It is generally locally referred to as the No ...

, and Ohio State Route 126 all intersect the freeway as it makes its way northward. After another interchange with the I-275 beltway, the freeway continues within the metro area, passing through Middletown and heading toward

, where

, I-70, and U.S. Route 35 have interchanges with I-75. The interchange of I-75 with I-70 is known as the Freedom Veterans Crossroads. After exiting the city of Dayton, I-75 makes its way northbound through Ohio, passing through smaller cities of

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 ...

, Wapakoneta,

, Findlay and

Bowling Green A bowling green is a finely laid, close-mown and rolled stretch of turf for playing the game of bowls. Before 1830, when Edwin Beard Budding of Thrupp, near Stroud, UK, invented the lawnmower, lawns were often kept cropped by grazing sheep ...

before finally reaching Toledo located on the western shore of Lake Erie and the border of

. I-75 meets the I-475 interchange in the southern suburbs of Toledo in Perrysburg and then I-80,

I-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, an ...

, and the

Ohio Turnpike The Ohio Turnpike, officially the James W. Shocknessy Ohio Turnpike, is a limited-access toll highway in the U.S. state of Ohio, serving as a primary corridor between Chicago and Pittsburgh. The road runs east–west in the northern section of ...

. As the interstate highway passes through downtown Toledo, I-475 meets with I-75 again just north of the downtown area of Toledo. It then continues through some industrial areas as it progresses north before approaching I-280, which is the last major junction in Ohio. I-75 then passes by the Lake Erie neighborhoods of Shoreland and Point Place, just before entering the US state of Michigan with the sign welcoming motorists to Michigan.

Michigan

Upon entering

, I-75 follows the northwestern shore of

, passing through the residential neighborhoods of Toledo and Luna Pier until about Monroe in which it then heads northeast to enter

. The freeway makes an interchange with I-275 in northern

Monroe County Monroe County may refer to seventeen counties in the United States, all named for James Monroe: *Monroe County, Alabama * Monroe County, Arkansas * Monroe County, Florida *Monroe County, Georgia * Monroe County, Illinois * Monroe County, Indi ...

. On a further note, it does not meet with any major junctions until in

Downtown Detroit Downtown Detroit is the central business district and a residential area of the city of Detroit, Michigan, United States. Locally, downtown tends to refer to the 1.4 square mile region bordered by M-10 (Lodge Freeway) to the west, Interstate 75 ...

. Once near downtown, I-75 meets several interchanges: an interchange that leads into

Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by to ...

via the

Ambassador Bridge The Ambassador Bridge is a tolled international suspension bridge across the Detroit River that connects Detroit, Michigan, United States, with Windsor, Ontario, Canada. Opened in 1929, it is the busiest international border crossing in Nort ...

(international bridge border crossing) to

Windsor, Ontario Windsor is a city in southwestern Ontario, Canada, on the south bank of the Detroit River directly across from Detroit, Michigan, United States. Geographically located within but administratively independent of Essex County, it is the southe ...

; an interchange with

I-375 Interstate 375 may refer to: * Interstate 375 (Florida), a spur in St. Petersburg, Florida * Interstate 375 (Michigan), a spur in Detroit, Michigan {{road disambiguation 3 ...

; I-94; I-96;

M-10 M10, M-10 or M 10 may refer to: Science and technology * Messier 10, a globular cluster in the constellation Ophiuchus * M10, a Garmin Nüvifone smartphone * Samsung Galaxy M10, a smartphone * M10 (rocket engine), a rocket engine Transportation ...

; M-8.

I-696 Interstate 696 (I-696) is an east–west List of auxiliary Interstate Highways, auxiliary Interstate Highway in the Metro Detroit region of the US state of Michigan. The Michigan State Trunkline Highway System, state trunkline highway is als ...

also intersects I-75 in the northern metro area. When the freeway reaches

Pontiac Pontiac may refer to: *Pontiac (automobile), a car brand *Pontiac (Ottawa leader) ( – 1769), a Native American war chief Places and jurisdictions Canada *Pontiac, Quebec, a municipality ** Apostolic Vicariate of Pontiac, now the Roman Catholic D ...

, there is a junction with M-59 and in

Flint Flint, occasionally flintstone, is a sedimentary cryptocrystalline form of the mineral quartz, categorized as the variety of chert that occurs in chalk or marly limestone. Flint was widely used historically to make stone tools and start ...

further northward. It meets I-475 and I-69 and overlaps U.S. Route 23 (US 23). The Interstate then heads north toward Saginaw where

acts as a

spur route A spur route is a short road forming a branch from a longer, more important road such as a freeway, Interstate Highway, or motorway. A bypass or beltway should not be considered a true spur route as it typically reconnects with another or the ...

into the city. Further north in Bay City, US 10 provides access to Midland as well as downtown Bay City. When it nears Standish, US 23 diverts from I-75 to Lake Huron, where it heads further north. The last major interchange in the state of Michigan before it crosses the international border into Canada is at 4 Mile Road just south of Grayling where US 127 ends with traffic merging onto northbound I-75 and southbound taking drivers through the center of the state. At Mackinaw City, I-75 makes an interchange with US 31 and US 23 before crossing the

to reach the

Upper Peninsula The Upper Peninsula of Michigan – also known as Upper Michigan or colloquially the U.P. – is the northern and more elevated of the two major landmasses that make up the U.S. state of Michigan; it is separated from the Lower Peninsula by ...

of Michigan. I-75 is the only Interstate located in the

Upper Peninsula of Michigan The Upper Peninsula of Michigan – also known as Upper Michigan or colloquially the U.P. – is the northern and more elevated of the two major landmasses that make up the U.S. state of Michigan; it is separated from the Lower Peninsula by ...

and it continues until it crosses the Canadian border via the Sault Ste. Marie International Bridge.

History

This limited access highway that was planned in the 1950s roughly follows the general route of many older at-grade highways, including US 2, US 27, US 25, and US 41, among others. Some of these older US Highways (several of which are still in existence) previously had replaced the eastern route of the old

Dixie Highway Dixie Highway was a United States auto trail first planned in 1914 to connect the Midwest with the South. It was part of a system and was expanded from an earlier Miami to Montreal highway. The final system is better understood as a network of ...

. I-75 was planned to end in

Tampa, Florida Tampa () is a city on the Gulf Coast of the U.S. state of Florida. The city's borders include the north shore of Tampa Bay and the east shore of Old Tampa Bay. Tampa is the largest city in the Tampa Bay area and the seat of Hillsborough ...

, in the original plan for of Interstate Highways. However, beginning in the 1960s, there was a huge growth in the population of Southwest Florida ( Sarasota, Fort Myers,

, Cape Coral, etc.), hence the need for new highways, especially a north–south freeway, as well as one connecting Florida's Gulf Coast to

South Florida South Florida is the southernmost region of the U.S. state of Florida. It is one of Florida's three most commonly referred to directional regions; the other two are Central Florida and North Florida. South Florida is the southernmost part of ...

. At first, Florida state legislators proposed a toll in the new highway, and, by 1968, it was decided that the federal government would pay 90 percent toward the extension of I-75 to southwestern and southeastern Florida. This included subsuming a toll highway from Naples to the

Fort Lauderdale A fortification is a military construction or building designed for the defense of territories in warfare, and is also used to establish rule in a region during peacetime. The term is derived from Latin ''fortis'' ("strong") and ''facer ...

area, the Alligator Alley, and furthermore to connect this expressway with I-95 in

North Miami North Miami is a suburban city located in northeast Miami-Dade County, Florida, United States, about north of Miami. The city lies on Biscayne Bay and hosts the Biscayne Bay Campus of Florida International University, and the North Miami campu ...

—though due to some local opposition, I-75 presently ends a few miles short of I-95. I-75 was completed in Kentucky in 1970. The last segment in Michigan opened to traffic on November 1, 1973. The last section of I-75 in Tennessee was completed on December 20, 1974. On December 21, 1977, I-75 was completed from Tampa to Sault Ste. Marie with its final segment opening between northern

Marietta, Georgia Marietta is a city in and the county seat of Cobb County, Georgia, United States. At the 2020 census, the city had a population of 60,972. The 2019 estimate was 60,867, making it one of Atlanta's largest suburbs. Marietta is the fourth largest ...

, and Cartersville, Georgia. It was estimated to have cost $3.5 billion in 1977 dollars (equivalent to $ in ) to build the original section. The final stretch of I-75 in South Florida was completed in 1986 in Miami-Dade and Broward counties, and the last stretch to receive the signs for I-75 was the reconstructed (rebuilt and widened) Alligator Alley on November 25, 1992.

Junction list

;Florida : on the Hialeah–

city line : on the

Davie Davie is a surname and a form of the masculine given name David. It can refer to: Surname * Alan Davie (1920-2014), Scottish painter and musician * Alexander Edmund Batson Davie (1847-1889), Canadian politician and eighth Premier of British Co ...

–

Sunrise Sunrise (or sunup) is the moment when the upper rim of the Sun appears on the horizon in the morning. The term can also refer to the entire process of the solar disk crossing the horizon and its accompanying atmospheric effects. Terminology A ...

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 * ...

tripoint : in Weston : on the Solana–

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 ...

CDP line : in Ellenton : east-northeast of Terra Ceia : in Palm River-Clair Mel : in

Mango A mango is an edible stone fruit produced by the tropical tree '' Mangifera indica''. It is believed to have originated in the region between northwestern Myanmar, Bangladesh, and northeastern India. ''M. indica'' has been cultivated in Sout ...

: on the Lutz– Wesley Chapel CDP line : west-northwest of Ridge Manor : southeast of Ocala : in Ocala : in Alachua : in Ellisville : in Lake City : west-northwest of Five Points : north-northeast of Suwannee Springs ;Georgia : in Valdosta : northwest of Valdosta. The highways travel concurrently to

Hahira Hahira is a city in northwest Lowndes County, Georgia, United States. The population was 2,737 at the 2010 census, up from 1,626 at the 2000 census. Hahira has a mayor-council form of elected government. It is led by Mayor Bruce Cain and the fo ...

. : in Tifton : in Tifton : in Cordele : in Unadilla : in Perry : in Perry : southwest of Macon : in Macon : in Macon : in Macon : northwest of Macon : northwest of Bolingbroke : in Stockbridge : west of Morrow : in

Forest Park A forest park is a park whose main theme is its forest of trees. Forest parks are found both in the mountains and in the urban environment. Examples Chile * Forest Park, Santiago China * Gongqing Forest Park, Shanghai * Mufushan National Forest ...

: on the

– Hapeville city line : in Atlanta. The highways travel concurrently through Atlanta. : in Atlanta : in Atlanta : in Atlanta. End of the concurrency with I-85. : in Atlanta : in Atlanta : in

Cumberland Cumberland ( ) is a historic counties of England, historic county in the far North West England. It covers part of the Lake District as well as the north Pennines and Solway Firth coast. Cumberland had an administrative function from the 12th c ...

: north-northwest of Marietta : in Cartersville : in Resaca : in Dalton : southeast of Ringgold ;Tennessee : in East Ridge : on the East Ridge–

city line : in Chattanooga. The highways travel concurrently to north of Collegedale. : in

: in Lenoir City : west of Farragut. The highways travel concurrently to Knoxville. : in Knoxville : in Knoxville : in Knoxville. I-75/I-640 travels concurrently through Knoxville. : in Knoxville. The highways travel concurrently through Knoxville. : in Knoxville : in

Rocky Top "Rocky Top" is an American country and bluegrass song written by Felice and Boudleaux Bryant in 1967 and first recorded by the Osborne Brothers later that same year. The song, which is a city dweller's lamentation over the loss of a simpler ...

: in Rocky Top. The highways travel concurrently to Caryville. : in Jellico ;Kentucky : in Goldbug : in Corbin : east-southeast of

Mount Vernon Mount Vernon is an American landmark and former plantation of Founding Father, commander of the Continental Army in the Revolutionary War, and the first president of the United States George Washington and his wife, Martha. The estate is on ...

: in Mount Vernon : in

: south-southeast of

. The highways travel concurrently to Lexington. : in Lexington : in Lexington. The highways travel concurrently through Lexington. : in Lexington : in Georgetown : in Georgetown : in Walton. The highways travel concurrently to

. : in

Florence Florence ( ; it, Firenze ) is a city in Central Italy and the capital city of the Tuscany region. It is the most populated city in Tuscany, with 383,083 inhabitants in 2016, and over 1,520,000 in its metropolitan area.Bilancio demografico ...

: in Erlanger : in Fort Mitchell : in Covington ;Ohio : in Cincinnati : in Cincinnati : in Cincinnati. I-75/US 27/US 52 travel concurrently through Cincinnati. : in Cincinnati : in Sharonville : southeast of Miamisburg : in

: in Vandalia : in Vandalia : in Piqua : in Wapakoneta : in Findlay : in Findlay : in

: in Perrysburg. I-75/US 23 travels concurrently through Perrysburg. : in Perrysburg : in

Rossford Rossford is a city in Wood County, Ohio, United States, located along the Maumee River in the Toledo metropolitan area. The population was 6,293 at the 2010 census. The town includes the intersection of Interstate 75 and the Ohio Turnpike. Ross ...

: in Toledo : in Toledo : in Toledo ;Michigan : north-northeast of Monroe : in Taylor : in

: in Detroit : in Detroit : on the Ferndale– Hazel Park– Royal Oak– Madison Heights city line : west-northwest of Clarkston : west of Grand Blanc : south-southwest of

. The highways travel concurrently to southwest of Standish. : in Flint : west of Beecher : east of Saginaw : north-northwest of Zilwaukee : west of Bay City : south of Grayling : north-northeast of Carp Lake : in Mackinaw City : in St. Ignace : Sault Ste. Marie International Bridge at the

Canada–United States border The border between Canada and the United States is the longest international border in the world. The terrestrial boundary (including boundaries in the Great Lakes, Atlantic, and Pacific coasts) is long. The land border has two sections: ...

in Sault Ste. Marie

Auxiliary routes

– St. Petersburg, Florida: I-175, I-275,

I-375 Interstate 375 may refer to: * Interstate 375 (Florida), a spur in St. Petersburg, Florida * Interstate 375 (Michigan), a spur in Detroit, Michigan {{road disambiguation 3 ...

Macon, Georgia Macon ( ), officially Macon–Bibb County, is a consolidated city-county in the U.S. state of Georgia. Situated near the fall line of the Ocmulgee River, it is located southeast of Atlanta and lies near the geographic center of the state of G ...

: I-475 *

Atlanta, Georgia Atlanta ( ) is the capital city, capital and List of municipalities in Georgia (U.S. state), most populous city of the U.S. state of Georgia (U.S. state), Georgia. It is the county seat, seat of Fulton County, Georgia, Fulton County, the mos ...

*Suburban spur to Canton, Georgia:

in the Atlanta area *

Knoxville, Tennessee Knoxville is a city in and the county seat of Knox County in the U.S. state of Tennessee. As of the 2020 United States census, Knoxville's population was 190,740, making it the largest city in the East Tennessee Grand Division and the stat ...

: I-275 *

Dayton, Ohio Dayton () is the List of cities in Ohio, sixth-largest city in the U.S. state of Ohio and the county seat of Montgomery County, Ohio, Montgomery County. A small part of the city extends into Greene County, Ohio, Greene County. The 2020 United S ...

Toledo, Ohio Toledo ( ) is a city in and the county seat of Lucas County, Ohio, United States. A major Midwestern United States port city, Toledo is the fourth-most populous city in the state of Ohio, after Columbus, Ohio, Columbus, Cleveland, and Cincinnat ...

: I-475 *

Detroit, Michigan Detroit ( , ; , ) is the largest city in the U.S. state of Michigan. It is also the largest U.S. city on the United States–Canada border, and the seat of government of Wayne County. The City of Detroit had a population of 639,111 at ...

: I-275,

I-375 Interstate 375 may refer to: * Interstate 375 (Florida), a spur in St. Petersburg, Florida * Interstate 375 (Michigan), a spur in Detroit, Michigan {{road disambiguation 3 ...

Flint, Michigan Flint is the largest city and seat of Genesee County, Michigan, United States. Located along the Flint River, northwest of Detroit, it is a principal city within the region known as Mid Michigan. At the 2020 census, Flint had a population of ...

: I-475 *

Saginaw, Michigan Saginaw () is a city in the U.S. state of Michigan and the seat of Saginaw County. The city of Saginaw and Saginaw County are both in the area known as Mid-Michigan. Saginaw is adjacent to Saginaw Charter Township and considered part of Greate ...

References

* * * *

External links

*
Interstate 75
at Michigan Highways

on Cincinnati-Transit.net {{Authority control 75 U.S. Route 10 U.S. Route 31 U.S. Route 25 U.S. Route 2