Oklahoma State Highway 270 1979, US-270 ran through Oklahoma City on surface streets. It left the city and ran through Choctaw concurrent with US-62. US-270 split away from US-62 in Harrah, and continued on to Shawnee on what is now SH-270. On March 5, 1979, US-270 was rerouted to run concurrent with Interstate 40 from south of Calumet in Canadian County through the Oklahoma City metro, exiting the Interstate onto a surface alignment in Shawnee. Presumably, SH-270 was commissioned the same date. The realignment of US-270, with SH-270 on the old alignment between Harrah and Shawnee, appears on the 1979 state map. SH-270 followed
Oklahoma State Highway 29 in Elmore City. SH-29 next meets Interstate 35 at its Exit 66. Soon after passing under the Interstate, SH-29 meets U.S. Highway 77, and the two highways overlap over the Washita River into Wynnewood. US-77 splits off in downtown Wynnewood, and SH-29 continues eastward for 12 more miles before ending at US-177. SH-29's single lettered spur is SH-29A, which runs for to the small town of Foster. Oklahoma State Highway 29 State Highway 29 (abbreviated SH-29) is an east–west state highway in the U.S. state of Oklahoma. It runs for through Stephens Co. and Garvin Co., and has one lettered