Okla. Stat. tit. 69, § 302
A. The State Transportation Commission shall consist of an at-large member and one (1) member from each of eight districts of the state, such districts to serve as the maintenance districts and to include the area as follows:
District 1. Wagoner, Cherokee, Adair, Sequoyah, Muskogee, Okmulgee, McIntosh and Haskell Counties.
District 2. Pittsburg, Latimer, LeFlore, McCurtain, Pushmataha, Atoka, Choctaw, Bryan and Marshall Counties.
District 3. Lincoln, Cleveland, McClain, Garvin, Pottawatomie, Okfuskee, Seminole, Hughes, Pontotoc, Coal and Johnston Counties.
District 4. Payne, Logan, Canadian, Kingfisher, Garfield, Grant, Kay, Noble and Oklahoma Counties.
District 5. Roger Mills, Dewey, Custer, Washita, Beckham, Greer, Kiowa, Harmon, Jackson, Blaine, and Tillman Counties.
District 6. Cimarron, Texas, Beaver, Harper, Woods, Alfalfa, Ellis, Major and Woodward Counties.
District 7. Carter, Love, Murray, Grady, Comanche, Stephens, Cotton, Caddo and Jefferson Counties.
District 8. Osage, Pawnee, Nowata, Creek, Craig, Ottawa, Rogers, Mayes, Delaware, Washington and Tulsa Counties.
B. The members of the Commission shall be appointed as follows:
Laws 1968, HB 501, c. 415, § 302, emerg. eff. July 1, 1968; Amended by Laws 1971, HB 1217, c. 58 § 1, emerg. eff. April 2, 1971; Amended by Laws 1985, HB 1164, c. 178, § 51, emerg. eff. July 1, 1985; Amended by Laws 1990, SB 716, c. 316, § 1; Amended by Laws 2019, SB 457, c. 10, § 1, emerg. eff. March 13, 2019 (superseded document available).