List of Interstate Highways in Oklahoma

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.

Number Length (mi) Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes
I-35 235.96379.74 Texas state line south of ThackervilleKansas state line north of Braman 01971-01-011971current  
I-40 331533 Texas state line west of ErickArkansas state line west of Fort Smith, Arkansas 01959-01-011959current  
I-44 328.53528.72 Texas state line north of Burkburnett, Tex.Missouri state line west of Joplin, Mo. 01964-04-231964current Follows the route of the H. E. Bailey Turnpike, Turner Turnpike, and Will Rogers Turnpike
I-235 5.368.63 I-35/I-40/US-77/US-270 in Oklahoma CityI-44/US-77 in Oklahoma City 01976-07-131976current  
I-240 16.2226.10 I-44 in Oklahoma CityI-40 in Oklahoma City 01965-01-011965current  
I-244 15.7525.35 I-44/SH-66 in TulsaI-44/US-412/SH-66 in Tulsa 01967-01-011967current  
I-440 in Oklahoma CityI-35 in Oklahoma City 01965-01-01c.1965 Became part of I-240, currently part of I-44
I-444 2.514.04 I-244/US-64/SH-51 in TulsaI-244/US-75 in Tulsa Unsigned highway
  •       Former

Highway markers for Interstate 40, Interstate 240, and Interstate 40 Business
Interstate Highways highlighted in red
System information
FormedAugust 14, 1957
Highway names
InterstatesInterstate X (I-X)
Business Loops and Spurs:Interstate X Business (I-X Bus.)
System links
  • Oklahoma State Highway System
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