List of Interstate Highways in Oklahoma

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System information
FormedAugust 14, 1957[1]
Highway names
InterstatesInterstate X (I-X)
Business Loops and Spurs:Interstate X Business (I-X Bus.)
System links
  • Oklahoma State Highway System

Interstate Highways in Oklahoma form a network of freeways that cross the state. Several of them incorporated existing or already-planned turnpikes and continue to be maintained by the Oklahoma Turnpike Authority.[2]

Number Length (mi) Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes
I-35 235.96 379.74 Texas state line south of Thackerville Kansas state line north of Braman 01971-01-011971 current  
I-40 331 533 Texas state line west of Erick Arkansas state line west of Fort Smith, Arkansas 01959-01-011959 current  
I-44 328.53 528.72 Texas state line north of Burkburnett, Tex. Missouri state line west of Joplin, Mo. 01964-04-231964 current Follows the route of the H. E. Bailey Turnpike, Turner Turnpike, and Will Rogers Turnpike
I-235 5.36 8.63 I-35/I-40/US-77/US-270 in Oklahoma City I-44/US-77 in Oklahoma City 01976-07-131976[3] current  
I-240 16.22 26.10 I-44 in Oklahoma City I-40 in Oklahoma City 01965-01-011965 current  
I-244 15.75 25.35 I-44/SH-66 in Tulsa I-44/US-412/SH-66 in Tulsa 01967-01-011967 current  
I-440 in Oklahoma City I-35 in Oklahoma City 01965-01-01c. 1965 Became part of I-240, currently part of I-44
I-444 2.51 4.04 I-244/US-64/SH-51 in Tulsa I-244/US-75 in Tulsa Unsigned highway
  •       Former


  1. ^ Official Route Numbering for the National System of Interstate and Defense Highways (Map). American Association of State Highway Officials. August 14, 1957.
  2. ^ Cockerell, Penny (June 29, 2006). "50 Years: As the intersection of Interstates 35, 40 and 44, Oklahoma is at America's crossroads". The Oklahoman. pp. 1A2A. Retrieved March 1, 2023 – via
  3. ^ Rhodes, H. J. (July 15, 1976). "Letter to V. O. Bradley, Director of the Oklahoma State Highway Department" (PDF). American Association of State Highway and Transportation Officials. p. 8. Retrieved May 24, 2013.

External links

OKHighways by Eric Stuve