State Highway 20 (abbreviated SH-20) is a highway in northeastern
Oklahoma
Oklahoma (; Choctaw language, Choctaw: ; chr, ᎣᎧᎳᎰᎹ, ''Okalahoma'' ) is a U.S. state, state in the South Central United States, South Central region of the United States, bordered by Texas on the south and west, Kansas on the nor ...
. Its eastern terminus is at the corner of Oklahoma,
Arkansas
Arkansas ( ) is a landlocked state in the South Central United States. It is bordered by Missouri to the north, Tennessee and Mississippi to the east, Louisiana to the south, and Texas and Oklahoma to the west. Its name is from the Osage ...
, and
Missouri
Missouri 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 is bordered by eight states (tied for the most with Tennessee ...
near
Southwest City, Missouri; its western terminus is at
State Highway 18
Route 18, or Highway 18, may refer to:
International
* Asian Highway 18
* European route E18
* European route E018
Argentina
*
Australia
* Waterfall Way
Canada
* Alberta Highway 18
* British Columbia Highway 18
* Manitoba Highway 18
* Ont ...
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 the western United Stat ...
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 (Spanish: maíz molido; literally meaning "milled corn") is a food 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 ...
. East of Hominy, SH-20 crosses
Lake Skiatook
Skiatook Lake is a federally-owned and operated reservoir located in Osage County, Oklahoma, west of the town of Skiatook, east of Hominy, Oklahoma and about from Tulsa. The Skiatook Dam is located on Hominy Creek, upstream of the confluence ...
before passing through
Skiatook and entering
Tulsa County
Tulsa County is located in the U.S. state of Oklahoma. As of the 2020 census, the population was 669,279, making it the second-most populous county in Oklahoma, behind only Oklahoma County. Its county seat and largest city is Tulsa, the secon ...
. Shortly after entering Tulsa County, SH-20 has a junction with
SH-11
Route 11, or Highway 11 can refer to routes in the following countries:
International
* Asian Highway 11
* European route E11
* European route E011
Argentina
* Buenos Aires Provincial Route 11
Australia Queensland
* Suttor Developmental R ...
. Four miles later, it has an interchange with
US-75
U.S. Route 75 is a major north–south United States Numbered Highways, U.S. Highway that extends in the central United States. The highway's northern terminus is in Noyes, Minnesota, at the Canada–United States border, Canadian border, wh ...
. 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 on
I-44/
Will Rogers Turnpike. East of Claremore, SH-20 becomes a divided expressway before intersecting
US-69
U.S. Route 69 (US 69) is a major north–south United States highway. When it was first created, it was only long, but it has since been expanded into a Minnesota to Texas cross-country route. The highway's southern terminus (as well as ...
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
Spavinaw is a town in Mayes County, Oklahoma, United States. The population was 437 at the 2010 census, a decline of 22.4 percent from the figure of 563 recorded in 2000. The town is best known as the birthplace of baseball player Mickey Mantle. ...
, before running through the town of
Spavinaw, Oklahoma
Spavinaw is a town in Mayes County, Oklahoma, United States. The population was 437 at the 2010 census, a decline of 22.4 percent from the figure of 563 recorded in 2000. The town is best known as the birthplace of baseball player Mickey Mantle. ...
. 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
A jay is a member of a number of species of medium-sized, usually colorful and noisy, passerine birds in the Crow family (biology), family, Corvidae. The evolutionary relationships between the jays and the magpies are rather complex. For examp ...
. 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.
History
On April 10, 2008, a section of SH-20 in
Rogers County 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
020 is the national dialling code for London in the United Kingdom. All subscriber numbers within the area code consist of eight digits and it has capacity for approaching 100 million telephone numbers. The code is used at 170 telephone exch ...
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