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Interstate 40
I-40 highlighted in red
Route information
Maintained by ODOT
Length	331 mi (533 km)
Existed	1957–present
NHS	Entire route
Major junctions
West end	I-40 at the Texas state line
Major intersections	US 283 in Sayre US 81 in El Reno I-344 / Kilpatrick Turnpike in Oklahoma City I-44 in Oklahoma City I-235 / I-35 / US 77 in Oklahoma City I-240 in Oklahoma City I-335 / Kickapoo Turnpike 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
Location
Country	United States
State	Oklahoma
Counties	Beckham, Washita, Custer, Caddo, Canadian, Oklahoma, Pottawatomie, Seminole, Okfuskee, Okmulgee, McIntosh, Muskogee, Sequoyah
Highway system
Interstate Highway System Main Auxiliary Suffixed Business Future Oklahoma State Highway System Interstate US State Turnpikes
← 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 old U.S. Highway 66 (US-66), and, east of Oklahoma City, it parallels US-62, US-266, and US-64. I-40 is the longest Interstate highway in Oklahoma.

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

Route description

I-40 enters Oklahoma near Texola in Beckham County. It crosses the North Fork of the Red River near Sayre and runs through southern Elk City. It then cuts across northwest Washita County before entering Custer County. There, it passes through Clinton and Weatherford. After leaving Weatherford, I-40 then runs across northern Caddo County. After that, it enters the Oklahoma City metropolitan area at Canadian County.

I-40 runs through the southside of El Reno as it enters the Oklahoma City metropolitan area. It then passes through Yukon before entering Oklahoma City city limits. In west Oklahoma City, I-40 has a junction with I-44. It then runs just south of downtown Oklahoma City on a new 10-lane section. I-40 then interlines with I-35 at the Dallas Junction complex. This forms a concurrency with it for two miles (3.2 km). After the Dallas Junction, I-40 then passes through Del City and Midwest City on the Tinker Diagonal. This provides access to Tinker Air Force Base in east Oklahoma City.

In far eastern Oklahoma City, I-40 meets I-240 in a partial junction. Afterward, it passes through the northside of Shawnee. This marks the eastern end of the Oklahoma City metropolitan 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. Afterward, it meets US-69 south of Checotah.

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

History

This section needs expansion. You can help by adding to it. (May 2008)

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

Bridge collapse

The I-40 bridge over the McClellan–Kerr Arkansas River 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. Delays of 30 to 50 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.

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.

2013 tornado

On the evening of May 31, 2013, a very large and powerful multiple-vortex tornado occurred over rural areas of central Oklahoma, passing around El Reno, Oklahoma. This is known to be the largest tornado ever recorded at 2.6 miles (4.2 km) wide and was responsible for eight fatalities and 151 injuries. Four of those fatalities were storm chasers, the first known deaths in storm chasing history. This tornado crossed over I-40 at around 6:33 pm CDT after hitting peak strength and maximum width and did a 270-degree counterclockwise loop north of the Interstate, clipping SH-66 before traveling on and along the Interstate, approaching Oklahoma City at a very slow speed. The tornado dissipated at 6:43 pm near exit 130 (Banner Road).

2015 shootings

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

Oklahoma City Crosstown realignment

The original I-40 Oklahoma City Crosstown Expressway was built in 1966 mostly as an elevated route; 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.

The new I-40 Crosstown Expressway has been designed to carry more than 170,000 vehicles per day traveling at 60 mph (97 km/h) using at least 10 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' (i.e., not transferring to or from downtown streets).

A landscaped boulevard (Oklahoma City Boulevard) was completed in 2019, 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

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.

• Interstate 40 Business (I-40 Bus., formerly US-66) in Erick is a business loop that runs from I-40 two miles (3.2 km) west of Erick to the old alignment of US-66, through Erick, and back to I-40 four miles (6.4 km) east of Erick.
• I-40 Bus. (formerly US-66) in Sayre is a business loop that begins two miles (3.2 km) south of Sayre at US-283, runs north into the city, and then leaves Sayre to the east, rejoining I-40 two miles (3.2 km) east of US-283.
• I-40 Bus. (formerly US-66) in Elk City is a business loop that begins at exit 32 seven miles (11 km) west of Elk City. It runs for 10 miles (16 km) through Elk City, rejoining I-40 at exit 41.
• I-40 Bus. (formerly US-66) in Clinton is a business loop that begins at exit 65, runs five miles (8.0 km) through Clinton, and rejoins I-40 at exit 69.
• I-40 Bus. (formerly US-66) in Weatherford is a business loop that exits I-40 at exit 82B, runs four miles (6.4 km) through Weatherford, and rejoins I-40 at exit 82.
• I-40 Bus. (formerly US-66) in El Reno is a business loop that 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.
• I-40 Bus. (formerly US-62/US-75) in Henryetta is a business loop that leaves I-40 at exit 237, runs four miles (6.4 km) through Henryetta, and rejoins I-40 at exit 240, the interchange with US-75 and the Indian Nation Turnpike.
• I-40 Bus. in Sallisaw is a business loop that leaves I-40 at exit 308 (US-59) runs four miles (6.4 km) through Sallisaw, and rejoins I-40 at exit 311, US-64.

Exit list

County	Location	mi	km	Exit	Destinations	Notes
Beckham	Texola	0.00	0.00		I-40 west – Amarillo	Continuation into Texas
		0.50	0.80	1	Texola
	​	5.05	8.13	5	I-40 BL east (Honeyfarm Road) – Erick
	Erick	7.35	11.83	7	SH-30 – Erick, Sweetwater
	​	11.65	18.75	11	I-40 BL west – Erick
	​	14.30	23.01	14	Hext Road
	Sayre	20.76	33.41	20	I-40 BL east / US 283 (S. 4th Street) – Mangum
		23.33	37.55	23	SH-152 (Main Street) – Cordell
		25.01	40.25	25	I-40 BL west (N. 4th Street)
		26.90	43.29	26	Cemetery Road
	Elk City	32.50– 32.91	52.30– 52.96	32	I-40 BL east / SH-34 south – Carter, Mangum, Elk City	Western end of SH-34 concurrency
		34.89	56.15	34	Merritt Road
		38.79	62.43	38	SH-6 (S. Main Street) – Altus
		40.49	65.16	40	E. 7th Street
		41.32– 41.74	66.50– 67.17	41	I-40 BL west / SH-34 north – Woodward, Elk City	Eastern end of SH-34 concurrency
Washita	Canute	46.91	75.49	47	Canute
	​	50.52	81.30	50	Clinton Lake Road
	Foss	53.25	85.70	53	SH-44 – Foss, Altus
Custer	​	57.20	92.05	57	Stafford Road
	​	60.90	98.01	61	Haggard Road
	​	62.37	100.37	62	Parkersburg Road
	Clinton	64.83	104.33	65	I-40 BL east (Gary Boulevard)	No eastbound entrance
		65.45	105.33	65A	10th Street / Neptune Drive	Historic US 66
		66.10	106.38	66	US 183 (S. 4th Street) – Cordell
	​	68.94	110.95	69	I-40 BL west – Clinton	Westbound exit and eastbound entrance
	​	71.69	115.37	71	Custer City Road
	Weatherford	79.80	128.43	80	SH-54 – Thomas, Mountain View
		80.50	129.55	80A	I-40 BL east (SW Main Street) – Southwestern Oklahoma State University	Eastbound exit and westbound entrance
		81.76	131.58	81	Washington Avenue / E. Main Street	Eastbound exit and westbound entrance, at E. Eads Avenue
		81.99	131.95	82	I-40 BL west (E. Main Street)	Westbound exit and eastbound entrance
		84.05	135.27	84	Airport Road
Caddo	​	88.52– 88.97	142.46– 143.18	88	SH-58 – Hydro, Carnegie
	​	95.00	152.89	95	Bethel Road
	Hinton	101.43	163.24	101	US 281 / SH-8 – Hinton, Anadarko
Canadian	​	104.48	168.14	104	Methodist Road
	Geary	108.14	174.03	108	US 281 Spur – Geary, Watonga
	​	115.15	185.32	115	US 270 west – Calumet	Western end of US-270 concurrency
	​	119.11	191.69	119	I-40 BL east – El Reno
	El Reno	123.40	198.59	123	Country Club Road
		125.50	201.97	125	I-40 BL west / US 81 – El Reno, Chickasha
		127.48	205.16	127	Radio Road
	​	130.47	209.97	130	Banner Road
	Oklahoma City	132.48	213.21	132	Cimarron Road – C.E. Page Airport
	Oklahoma City–Yukon line	134.55	216.54	134	Frisco Road	Opened in August 2021
	Yukon	135.69	218.37	136	Garth Brooks Boulevard	Former SH-92
	Oklahoma City	136.89	220.30	137	Cornwell Drive / Czech Hall Road	Eastbound exit and entrance on Czech Hall Rd., westbound exit and entrance from NW 10th Street
		138.07	222.20	138A	SH-4 (Mustang Road / Yukon Parkway)	Signed as exit 139B westbound
		138.95	223.62	138B (EB) 139A (WB)	I-344 Toll (Kilpatrick Turnpike)
		140.21	225.65	140	Morgan Road
Oklahoma		142.18	228.82	142	Council Road
		143.17	230.41	143	Rockwell Avenue
		144.16	232.00	144	MacArthur Boulevard
		145.16	233.61	145	Meridian Avenue
		146.16	235.22	146	Portland Avenue	Eastbound exit and westbound entrance
		146.60	235.93	147	I-44 / SH-3 – Lawton, Tulsa	Signed as exits 147A (westbound I-44) & 147B (eastbound I-44); I-44 exits 120A-B
		147.15	236.81	147C	May Avenue – Fair Park	Merged with exit 148A upon I-40 Crosstown realignment; was westbound exit and eastbound entrance
		147.72	237.73	148A	Agnew Avenue / Villa Avenue / May Avenue	May Ave. not signed eastbound
		147.95	238.10	148B	Oklahoma City Boulevard east	Eastbound exit and westbound entrance; former Oklahoma City Crosstown Expressway alignment
		148.16	238.44	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
		149.20	240.11	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
		150.15	241.64	150A	Shields Boulevard	No eastbound exit
		150.00	241.40	150B	Robinson Avenue	Westbound exit only; formerly exit 150C on old alignment; location of Skydance Bridge
		150.94	242.91	151A	Oklahoma City Boulevard west	Westbound exit and eastbound entrance
				151A	Lincoln Boulevard	Closed upon I-40 Crosstown realignment; was eastbound exit only
		151.35	243.57	151B	I-35 / US 77 south / US 62 west – Dallas	Western end of I-35/US-62 concurrency
				151C	I-235 / US 77 north – Edmond, State Capitol, Oklahoma Health Center	Signed as exit 126 westbound, due to I-35 concurrency
		152.35	245.18	127	Eastern Avenue / M. L. King Avenue	Eastbound exit and westbound entrance; exit number follows I-35
		152.90	246.07	153	I-35 north / US 62 east to I-44 – Tulsa, Wichita	Eastern end of I-35/US-62 concurrency
	Del City	153.68	247.32	154	Reno Avenue / Scott Street
		154.63	248.85	155A	Sunnylane Road – Del City
		155.29	249.92	155B	SE 15th Street – Del City, Midwest City
	Midwest City	155.84	250.80	156A	Sooner Road
		156.38	251.67	156B	Hudiburg Drive	No eastbound entrance
		156.87	252.46	157A	SE 29th Street – Midwest City	Eastbound exit only
		157.12	252.86	157B	Air Depot Boulevard – Tinker Gate
		157.61	253.65	157C	Town Center Drive – Eaker Gate
		158.65	255.32	159A	Hruskocy Gate (to Midwest Boulevard)
		159.14	256.11	159B	Douglas Boulevard – Lancer Gate, Liberator Gate, Marauder Gate
	Oklahoma City	162.36	261.29	162	Anderson Road
		164.02	263.96	165	I-240 west (SH-3) – Lawton, Dallas	Western end of SH-3 concurrency; westbound exit and eastbound entrance
		165.72	266.70	166	Choctaw Road
		168.77	271.61	169	Peebly Road
		170.55	274.47	170	I-335 Toll north (Kickapoo Turnpike) – Tulsa	Access to Turnpike southbound to be under construction; I-335 exits 130A-B
		171.75	276.40	172	Newalla Road – Harrah
Pottawatomie	McLoud	175.71	282.78	176	SH-102 north (Mcloud Road)	Western end of SH-102 concurrency
		177.78	286.11	178	SH-102 south – Dale, Bethel Acres	Eastern end of SH-102 concurrency
	​	180.85	291.05	181	US 270 east / SH-3W east / SH-3 ends / SH-3E begins / US 177 – Shawnee, Tecumseh, Stillwater	Eastern end of US-270/SH-3 concurrency, western end of SH-3E concurrency; SH-3 splits into SH-3E and SH-3W
	Shawnee	184.85	297.49	185	Kickapoo Street – Shawnee
		185.84	299.08	186	SH-3E east / SH-18 – Shawnee, Meeker	Eastern end of SH-3E concurrency
	​	191.84	308.74	192	SH-9A south – Earlsboro
Seminole	​	199.49	321.05	200	US 377 / SH-99 – Prague, Seminole
	​	211.55	340.46	212	SH-56 – Cromwell, Wewoka
Okfuskee	​	216.49	348.41	217	SH-48 – Holdenville, Bristow
	Okemah	221.02	355.70	221	US 62 west / SH-27 – Okemah, Wetumka	Western end of US-62 concurrency
	​	227.04	365.39	227	Clearview Road
	​	231.06	371.86	231	US 75 south – Wetumka, Weleetka	Western end of US-75 concurrency
Okmulgee	Henryetta	237.10	381.58	237	I-40 BL east – Henryetta
		239.67	385.71	240A	Indian Nation Turnpike south – McAlester, Dallas	Indian Nation Turnpike exits 104A-B
				240B	US 62 east / US 75 north / I-40 BL west – Henryetta, Okmulgee	Eastern end of US-62/US-75 concurrency
McIntosh	​	247.15	397.75	247	Tiger Mountain Road
	​	254.44	409.48	255	Pierce Road
	​	258.42	415.89	259	SH-150 (Lake Eufaula Road)
	​	261.46	420.78	262	Lotawatah Road to US 266
	Checotah	264.20	425.19	264	US 69 – Eufaula, McAlester, Dallas	Signed as exits 264A (south) and 264B (north)
		265.07	426.59	265	US 69 Bus. – Checotah
	​	269.42	433.59	270	Texanna Road – Porum Landing
Muskogee	​	277.83	447.12	278	US 266 / SH-2 – Muskogee, Warner, Porum
	​	283.69	456.55	284	Ross Road
	Webbers Falls	285.70	459.79	286	Muskogee Turnpike west – Muskogee, Tulsa
		286.78	461.53	287	SH-100 north – Webbers Falls, Gore
Arkansas River				I-40 Bridge
Sequoyah	Carlisle	290.84	468.06	291	SH-10 north (Carlisle Road) – Gore
	​	296.94	477.88	297	SH-82 – Vian, Tahlequah
	​	302.59	486.97	303	Dwight Mission Road
	Sallisaw	307.14	494.29	308	I-40 BL east / US 59 – Sallisaw, Poteau
		309.85	498.66	311	I-40 BL west / US 64 – Sallisaw, Stilwell
	Muldrow	320.17	515.26	321	SH-64B north – Muldrow
	Roland	324.40	522.07	325	US 64 – Roland, Fort Smith
	​	330.10	531.24	330	SH-64D south – Dora, Fort Smith	Eastbound exit and westbound entrance
	​	330.20	531.41		I-40 east – Little Rock	Continuation into Arkansas
1.000 mi = 1.609 km; 1.000 km = 0.621 mi       Closed/former       Concurrency terminus       Incomplete access        Tolled       Unopened

Auxiliary route

I-40 has one auxiliary route in Oklahoma:

• I-240: A bypass of the southside of Oklahoma City

See also

• U.S. Route 66 in Oklahoma

References

1. Froehlig, Adam. Scans from the "Yellow Book". Froggie's Place. URL accessed September 20, 2006.
2. ^ "OKC I-40 Crosstown". Okladot.state.ok.us. 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 January 10, 2014.
4. Stewart, D. R. (May 29, 2002). "Truckers weigh cost of detours". Tulsa World. Retrieved January 10, 2014.
5. ^ Morgan, Rhett (July 26, 2002). "Towns on detour route await bridge reopening". Tulsa World. Retrieved January 10, 2014.
6. "El Reno tornado on May 31 now widest in US | Earth | EarthSky". June 5, 2013.
7. "May 31, 2013 El Reno, OK Tornado – Google My Maps".
8. "2 Dead in Apparent Road Rage Shooting on Oklahoma Highway - ABC News". ABC News.

External links

• I-40 at OKHighways.com
• I-40 at AARoads Archived March 29, 2010, at the Wayback Machine

Interstate 40
Previous state: Texas	Oklahoma	Next state: Arkansas

v t e Auxiliary routes of Interstate 40
California Business Arizona Business New Mexico Business Texas Business Oklahoma 240 440 Business Arkansas 440 540 Tennessee 140 240 440 640 840 North Carolina 140 240 440 540 840 Business
Former

• Interstate Highways in Oklahoma
• Interstate 40
• Transportation in Beckham County, Oklahoma
• Transportation in Washita County, Oklahoma
• Transportation in Custer County, Oklahoma
• Transportation in Caddo County, Oklahoma
• Transportation in Canadian County, Oklahoma
• Transportation in Oklahoma County, Oklahoma
• Transportation in Pottawatomie County, Oklahoma
• Transportation in Seminole County, Oklahoma
• Transportation in Okfuskee County, Oklahoma
• Transportation in Okmulgee County, Oklahoma
• Transportation in McIntosh County, Oklahoma
• Transportation in Muskogee County, Oklahoma
• Transportation in Sequoyah County, Oklahoma