State Highway 20 (abbreviated SH-20) is a highway in northeastern
Oklahoma
Oklahoma ( ; Choctaw language, Choctaw: , ) is a landlocked U.S. state, state in the South Central United States, South Central region of the United States. It borders Texas to the south and west, Kansas to the north, Missouri to the northea ...
. Its eastern terminus is at the
Missouri
Missouri (''see #Etymology and pronunciation, pronunciation'') is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. Ranking List of U.S. states and territories by area, 21st in land area, it border ...
state line; its western terminus is at
SH-18 near
Ralston. The highway runs a total length of . It has no lettered spur routes.
Route description
SH-20 begins just north of the
Arkansas River
The Arkansas River is a major tributary of the Mississippi River. It generally flows to the east and southeast as it traverses the U.S. states of Colorado, Kansas, Oklahoma, and Arkansas. The river's source basin lies in Colorado, specifically ...
at SH-18 near Ralston. From there, it heads east through
Osage County for 20 miles (32 km) without crossing any other highway. At mile 20.4, it meets
State Highway 99 in
Hominy
Hominy is a food item produced from dried maize (corn) kernels that have been treated with an alkali, in a process called nixtamalization ( is the Nahuatl word for "hominy"). "Lye hominy" is a type of hominy made with lye.
History
The process ...
. East of Hominy, SH-20 crosses
Lake Skiatook before passing through
Skiatook and entering
Tulsa County
Tulsa County is a County (United States), county located in the U.S. state of Oklahoma. As of the 2020 United States census, 2020 census, the population was 669,279, making it the second-most populous county in the state, behind only Oklahoma C ...
. Shortly after entering Tulsa County, SH-20 has a junction with
SH-11. Four miles later, it has an interchange with
US-75. After running through
Collinsville, it turns southward onto the
US-169 freeway.
SH-20 splits from US-169 north of
Owasso. It then enters
Claremore, where it meets
SH-88 and
SH-66 (old Route 66). It connects to the Claremore
toll plaza
A toll road, also known as a turnpike or tollway, is a public or private road for which a fee (or '' toll'') is assessed for passage. It is a form of road pricing typically implemented to help recoup the costs of road construction and maintenan ...
on
I-44
Interstate 44 (I-44) is an Interstate Highway in the central United States. Although it is nominally an east–west road as it is even-numbered, it follows a more southwest–northeast alignment. Its western terminus is in Wichita Falls, T ...
/
Will Rogers Turnpike
The Will Rogers Turnpike is a controlled-access toll road in the northeast portion of the U.S. state of Oklahoma. The highway begins as a continuation of the Creek Turnpike in Tulsa, continuing northward from the I-44/ US-412 interchange there ...
. East of Claremore, SH-20 becomes a divided expressway before intersecting
US-69 in
Pryor. West of
Salina, the highway bridges
Lake Hudson. In Salina, SH-20 meets
SH-82, with which it begins a concurrency.
Headed north from Salina, the two highways begin to cross some mountainous terrain. The highways provide access to
Spavinaw State Park, before running through the town of
Spavinaw, Oklahoma. North of Spavinaw, SH-20 splits off to the east, running through unincorporated
Chloeta and serving as the eastern terminus of
SH-28. SH-20 overlaps
US-59/
State Highway 10 through
Jay. SH-20 then splits off to the east, running to the Arkansas line.
The easternmost miles run north/south along the Oklahoma–Arkansas state line, and along this stretch the highway
overlaps Arkansas's
Highway 43. The highway continues northward into Missouri at the point where the Oklahoma, Arkansas and Missouri borders meet, and thereafter becomes
Missouri Route 43
Route 43 is a highway in western Missouri. Its northern terminus is at U.S. Route 54 (Missouri), U.S. Route 54 midway between Nevada, Missouri, Nevada and Deerfield, Missouri, Deerfield. Its southern terminus is at the corner of Missouri (ne ...
.
History
On April 10, 2008, a section of SH-20 in
Rogers County
Rogers County is a county located in the northeastern part of the U.S. state of Oklahoma. As of the 2020 census, the population was 95,240, making it the sixth-most populous county in Oklahoma. The county seat is Claremore. Rogers County is ...
near
Keetonville, west of
Claremore, was closed due to a landside caused by heavy rains.
A section of roadbed was washed away, forming a large crack in the pavement and damaging the guardrail.
The highway was re-opened June 5, 2008 after being repaired.
Major junctions
{{jctbtm, keys=toll,concur, col=7
References
External links
SH-20 at OKHighways.comOK-20 on Two Wheel Oklahoma
020
Transportation in Osage County, Oklahoma
Transportation in Tulsa County, Oklahoma
Transportation in Rogers County, Oklahoma
Transportation in Mayes County, Oklahoma
Transportation in Delaware County, Oklahoma