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 98 Oklahoma State Highway 98 State Highway 98, also abbreviated to SH-98 or OK-98, is a highway maintained by the U.S. state of Oklahoma. It travels for through McCurtain County It has one unsigned spur route, SH-98S. SH-98 began as a short spur from US-70 to Wright City in 1953. In 1958, it was extended to its present extent, although the routing north of US-70 differed from that of the present day. By 1982, the highway had taken on its current routing and termini. SH-98 begins at the eastern SH-37 about north of the Red River (the Texas state line) and