Interstate 40 in Oklahoma
…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 in Texola 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…