Interstate 40 in Oklahoma

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Interstate 40 marker

Interstate 40
Route information
Maintained by ODOT
Length 331 mi (533 km)
Existed 1957[1] – present
Major junctions
West end I-40 at the Texas state line

US-81 in El Reno
Kilpatrick Turnpike in Oklahoma City
I-44 in Oklahoma City
I-35 in Oklahoma City
I-235 in Oklahoma City
I-240 in Oklahoma City
Indian Nation Turnpike in Henryetta
US-69 in Checotah

Muskogee Turnpike near Webbers Falls
East end I-40 at the Arkansas state line
Counties Beckham, Washita, Custer, Caddo, Canadian, Oklahoma, Pottawatomie, Seminole, Okfuskee, Okmulgee, McIntosh, Muskogee, Sequoyah
Highway system
Oklahoma State Highway System
SH-39 SH-42

Interstate 40 (I-40) is an Interstate Highway in Oklahoma that runs 331 miles (533 km) across the state from Texas to Arkansas. West of Oklahoma City, it parallels and replaces the old Route 66, and east of Oklahoma City, it parallels US-62, 266, and 64.

Cities along the route include Erick, Sayre, Elk City, Clinton, Weatherford, Oklahoma City and its suburbs (El Reno, Yukon, Del City, Midwest City, and Shawnee), Okemah, Henryetta, Checotah, and Sallisaw.

Route description[edit]

Interstate 40 enters Oklahoma near Texola, in Beckham County. It crosses the North Fork of the Red River near Sayre and runs through the south side of Elk City. It then cuts across the northwest corner of Washita County before entering Custer County, where it passes through Clinton and Weatherford. After leaving Weatherford, I-40 then runs across the northern tip of Caddo County before it enters the Oklahoma City Metro Area at Canadian County.

I-40 and I-44 junction (also known as the Amarillo Junction) traveling westbound in Oklahoma City

I-40 runs through the south side of El Reno as it enters the Oklahoma City metro. It then passes through Yukon before entering Oklahoma City city limits. In west Oklahoma City, I-40 has a junction with Interstate 44 (the Amarillo Junction). It then runs just south of downtown Oklahoma City on a new ten lane section.[2] I-40 then interlines with Interstate 35 at the Dallas Junction complex, forming a concurrency with it for about two miles (3 km). After the Dallas Junction, I-40 then passes through Del City and Midwest City on a freeway known as the Tinker Diagonal, providing access to Tinker Air Force Base in east Oklahoma City.

In far eastern Oklahoma City, I-40 meets Interstate 240 in a partial junction before passing through the north side of Shawnee marking the eastern end of the OKC metro area. In Henryetta, I-40 serves as the northern terminus of the Indian Nation Turnpike. In McIntosh County, it crosses the northernmost arm of Lake Eufaula and meets the US-69 freeway south of Checotah.

Near Webbers Falls, I-40 is the southern terminus of the Muskogee Turnpike. It then crosses the Arkansas River before heading around southern Sallisaw. The interstate crosses into Arkansas north of Moffett.


US 66.svg

West of Oklahoma City, Interstate 40 parallels and replaces Old US-66. US-66 was decommissioned in Oklahoma in 1985.

Exit 176
Exit 181
Exit 240A
Exit 262

Bridge collapse[edit]

The I-40 bridge over the Arkansas River/McClellan-Kerr Navigation System near Webbers Falls was struck by a barge on May 26, 2002, causing the bridge to collapse and resulting in the death of 14 people.

Westbound I-40 traffic was detoured through Gore and Webbers Falls along SH-10, US-64, and SH-100, while eastbound traffic was diverted through Porum and Stigler along SH-2, SH-9, and US-59.[3] Delays of thirty to fifty minutes on the 12-mile (19 km) westbound detour were typical, although trains passing through Gore could lengthen wait times by 15 minutes. The eastbound detour added 40 miles (64 km) and two hours to the typical trip. Some travelers chose to avoid the area entirely; one Tulsa trucking firm detoured trucks via Springdale, adding 70 miles (110 km) to the trip.[4][5]

The detour significantly impacted the town of Gore. Local firefighters directed traffic there 24 hours a day, with daytime temperatures approaching 100 °F (38 °C). Businesses in Gore reported loss of revenue due to the traffic; one gas station reported a 30% decline in revenue while traffic was detoured through town.[5]

2015 shootings[edit]

On December 17, 2015, a Pasadena, Texas man allegedly shot and killed two people on Interstate 40 near Weatherford, Oklahoma. He was arrested by police in Clinton, Oklahoma.[6]

Oklahoma City Crosstown realignment[edit]

The original I-40 Oklahoma City Crosstown Expressway was built in 1966 mostly as an elevated route;[citation needed] however, this former stretch was too narrow for existing traffic, and was frequently in disrepair. In response, the I-40 Crosstown Expressway has been relocated a few blocks south of the original route, and the original bridge torn down. The project was completed in February 2012.[2]

The new I-40 Crosstown Expressway has been designed to carry 170,000+ vehicles-per-day traveling at 60 miles-per-hour (97 km/h) using at-least ten lanes for traffic, and has breakdown lanes for disabled vehicles and future lane expansion.

When the new crosstown opened in 2012, nearly 95% of non-rush hour traffic was considered 'through traffic'; not transferring to or from downtown streets.[citation needed]

A landscaped boulevard is currently under-construction (circa 2016) replacing the original I-40 Crosstown Bridge right-of-way through downtown Oklahoma City; similar to the I-30 reconstruction through downtown Fort Worth, Texas.

Business routes and old alignments[edit]

Business Loop 40.svg

I-40 has eight business routes in Oklahoma, six of which are old alignments of US-66. A number of other old alignments of US-66 are also present west of Oklahoma City.

Erick I-40 Business Loop (formerly US-66) is a Business Loop that runs from I-40 two miles (3 km) west of Erick to the old alignment of US-66, through Erick, and back to I-40, four miles (6 km) east of Erick.

Sayre I-40 Business Loop (formerly US-66) is a Business Loop that begins two miles (3 km) south of Sayre at US-283, runs north into the city, and then leaves Sayre to the east, rejoining I-40 two miles (3 km) east of US-283.

Elk City I-40 Business Loop (formerly US-66) is a Business Loop that begins at Exit 32, seven miles (11 km) west of Elk City. It runs for ten miles (16 km) through Elk City, rejoining I-40 at Exit 41.

Clinton I-40 Business Loop (formerly US-66) is a Business Loop that begins at Exit 65, runs five miles (8 km) through Clinton, and rejoinds I-40 at Exit 69.

Weatherford I-40 Business Loop (formerly US-66) is a Business Loop that exits I-40 at Exit 82B, runs four miles (6 km) through Weatherford, and rejoins I-40 at Exit 82.

El Reno I-40 Business Loop (formerly US-66) is a Business Loop through El Reno. It exits I-40 at Exit 119, runs eight miles (13 km) through El Reno, and rejoins I-40 at Exit 125, the interchange with US-81.

Henryetta I-40 Business Loop (formerly US-62/US-75) is a Business Loop that leaves I-40 at Exit 237, runs four miles (6 km) through Henryetta, and rejoins I-40 at Exit 240, the interchange with US-75 and the Indian Nation Turnpike.

Sallisaw I-40 Business Loop is a Business Loop that leaves I-40 at Exit 308, US-59, runs four miles (6 km) through Sallisaw, and rejoins I-40 at Exit 311, US-64.

Exit list[edit]

County Location mi km Exit Destinations Notes
Texas–Oklahoma state line 0.00 0.00 I-40 continues west into Texas
Beckham 1 Texola
5 I-40 Bus. east (Honeyfarm Road) – Erick
Erick 7 SH-30 – Erick, Sweetwater
11 I-40 Bus. west – Erick
14 Hext Road
Sayre 20 I-40 Bus. east / US-283 (South 4th Street) – Mangum
23 SH-152 (Main Street) – Cordell
25.11 40.41 25 I-40 Bus. west (North 4th Street)
26 Cemetery Road
32 I-40 Bus. east / SH-34 south – Carter, Mangum, Elk City Western terminus of SH-34 concurrency
34 Merritt Road
Elk City 38 SH-6 (South Main Street) – Altus
40 East 7th Street
41 I-40 Bus. west / SH-34 north – Woodward, Elk City Eastern terminus of SH-34 concurrency
Washita Canute 47 Canute
50 Clinton Lake Road
Foss 53 SH-44 – Foss, Altus
Custer 57 Stafford Road
61 Haggard Road
62 Parkersburg Road
Clinton 65 I-40 Bus. east (Gary Boulevard) No eastbound entrance
65A 10th Street, Neptune Drive
66 US-183 (S. 4th Street) – Cordell
69.16 111.30 69 I-40 Bus. west – Clinton Westbound exit and eastbound entrance
71 Custer City Road
Weatherford 80 SH-54 – Thomas, Mountain View
80A I-40 Bus. east (W. Main Street) – Southwestern Oklahoma State University Eastbound exit and westbound entrance
82 I-40 Bus. west (E. Main Street)
84 Airport Road
Caddo 88 SH-58 – Hydro, Carnegie
95 Bethel Road
101 US-281 / SH-8 – Hinton, Anadarko
Canadian 104 Methodist Road
108 US 281 Spur.svg US-281 SpurGeary, Watonga
115 US-270 west – Calumet Western terminus of US-270 concurrency
119 I-40 Bus. east – El Reno
El Reno 123 Country Club Road
125 I-40 Bus. west / US-81 – El Reno, Chickasha
127 Radio Road
130 Banner Road
Oklahoma City 132 Cimarron Road – C.E. Page Airport
Oklahoma CityYukon line 135 Frisco Road Planning underway, bid letting projected for 2017[7]
Yukon 136 Garth Brooks Boulevard
Oklahoma City 137 Cornwell Drive, Czech Hall Road Eastbound exit and entrance on Czech Hall Road, westbound exit and entrance from Northwest 10th Street
138A SH-4 (Mustang Road) Westbound exit via exit 139
139 Kilpatrick Turnpike east Eastbound I-40 exit 138B
140 Morgan Road
Oklahoma 142 Council Road
143 Rockwell Avenue
144 MacArthur Boulevard
145 Meridian Avenue
146 Portland Avenue Eastbound exit and westbound entrance
147 I-44 / SH-3 – Lawton, Tulsa Signed as exits 147A (westbound I-44) & 147B (eastbound I-44); I-44 exits 120A-B
147C May Avenue – Fair Park Merged with exit 148A upon I-40 Crosstown realignment; was westbound exit and eastbound entrance
148A Agnew Avenue, Villa Avenue, May Avenue May Ave. not signed eastbound
148B Oklahoma City Boulevard Eastbound exit and westbound entrance; former Oklahoma City Crosstown Expressway alignment
148C Pennsylvania Avenue Formerly exit 148B (that was eastbound exit and westbound entrance only) on old alignment
148C Virginia Avenue Closed upon I-40 Crosstown realignment; was westbound exit and eastbound entrance
149 Western Avenue Formerly also served Reno Avenue and Sheridan Avenue on exit 149A of old alignment
149B Classen Boulevard Closed upon I-40 Crosstown realignment; was westbound exit and eastbound entrance
150A Walker Avenue – Downtown Oklahoma City Closed upon I-40 Crosstown realignment; was eastbound exit and westbound entrance
150B Harvey Avenue Closed upon I-40 Crosstown realignment; was eastbound exit only
150A Shields Boulevard No eastbound exit
150B Robinson Avenue Westbound exit only; formerly exit 150C on old alignment
151A Oklahoma City Boulevard Westbound exit and eastbound entrance
151A Lincoln Boulevard Closed upon I-40 Crosstown realignment; was eastbound exit only
151B I-35 south / US-62 west (US-77 south) – Dallas Western terminus of I-35/US-62 concurrency
151C I-235 north (US-77 north) – Edmond, State Capitol, Oklahoma Health Center Signed as exit 126 westbound, due to I-35 concurrency
127 Eastern Avenue, M. L. King Avenue Eastbound exit and westbound entrance; exit number follows I-35
153 I-35 north / US-62 east to I-44 – Tulsa, Wichita Eastern terminus of I-35/US-62 concurrency
Del City 154 Reno Avenue, Scott Street
155A Sunnylane Road – Del City
155B S.E. 15th Street – Del City, Midwest City
Midwest City 156A Sooner Road
156B Hudiburg Drive No eastbound entrance
157A S.E. 29th Street – Midwest City Eastbound exit only
157B Air Depot Boulevard – Tinker Gate
157C Town Center Drive – Eaker Gate
159A Hruskocy Gate
159B Douglas Boulevard – Lancer Gate, Liberator Gate, Marauder Gate
Oklahoma City 162 Anderson Road
165 I-240 west (SH-3) – Lawton, Dallas Western terminus of SH-3 concurrency; westbound exit and eastbound entrance
166 Choctaw Road
169 Peebly Road
172 Newalla Road – Harrah
Pottawatomie McLoud 176 SH-102 north (McLoud Road) Western terminus of SH-102 concurrency
178 SH-102 south – Dale, Bethel Acres Eastern terminus of SH-102 concurrency
181 US-177 / US-270 east / SH-3W east – Shawnee, Tecumseh Eastern terminus of US-270 concurrency, SH-3 splits into SH-3E (which remains concurrent with I-40) and SH-3W (which exits)
Shawnee 185 SH-3E east – Shawnee Eastern terminus of SH-3E concurrency
186 SH-18 – Shawnee, Meeker
192 SH-9A south – Earlsboro
Seminole 200 US-377 / SH-99 – Prague, Seminole
212 SH-56 – Cromwell, Wewoka
Okfuskee 217 SH-48 – Holdenville, Bristow
221 US-62 west / SH-27 – Okemah, Wetumka Western terminus of US-62 concurrency
227 Clearview Road
231 US-75 south – Wetumka, Weleetka Western terminus of US-75 concurrency
Okmulgee Henryetta 237 I-40 Bus. east – Henryetta
240A Indian Nation Turnpike south – McAlester, Dallas Indian Nation Turnpike exits 104A-B
240B US-62 east / US-75 north / I-40 Bus. west – Henryetta, Okmulgee Eastern terminus of US-62/US-75 concurrency
McIntosh 247 Tiger Mountain Road
255 Pierce Road
259 SH-150 (Lake Eufaula Road)
262 To US-266 / Lotawatah Road
264 US-69 – Eufaula, McAlester, Dallas Signed as exits 264A (south) and 264B (north)
US-69 Bus. – Checotah
270 Texanna Road – Porum Landing
Muskogee 278 US-266 / SH-2 – Muskogee, Warner, Porum
284 Ross Road
286 Muskogee Turnpike west – Muskogee, Tulsa
287 SH-100 north – Webbers Falls, Gore
Sequoyah 291 SH-10 north (Carlisle Road) – Gore
297 SH-82 – Vian, Tahlequah
303 Dwight Mission Road
Sallisaw 308 I-40 Bus. east / US-59 – Sallisaw, Poteau
311 I-40 Bus. west / US-64 – Sallisaw, Stilwell
321 SH-64B north – Muldrow
325 US-64 – Roland, Fort Smith
330 SH-64D south – Dora, Fort Smith Eastbound exit and westbound entrance
Oklahoma–Arkansas state line 331.00 532.69 I-40 continues east into Arkansas
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Auxiliary route[edit]

I-40 has one auxiliary route in Oklahoma:

  • I-240: A bypass of the south side of Oklahoma City

See also[edit]


  1. ^ Froehlig, Adam. Scans from the "Yellow Book". Froggie's Place. URL accessed September 20, 2006.
  2. ^ a b "OKC I-40 Crosstown". Archived from the original on August 31, 2011. Retrieved September 19, 2011. 
  3. ^ "I-40 Webbers Falls Local Detour Route & Map". Oklahoma Department of Transportation. Retrieved 2014-01-10. 
  4. ^ Stewart, D. R. (May 29, 2002). "Truckers weigh cost of detours". Tulsa World. Retrieved 2014-01-10. 
  5. ^ a b Morgan, Rhett (July 26, 2002). "Towns on detour route await bridge reopening". Tulsa World. Retrieved 2014-01-10. 
  6. ^
  7. ^ Powell, Jim (August 20, 2014). "'Ball rolling' on Frisco Road–I-40 project". The Yukon Review. Retrieved 2014-09-10. 

External links[edit]

Route map: Google

KML is from Wikidata

Interstate 40
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