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 52 been decommissioned. Oklahoma State Highway 52 State Highway 52 (abbreviated SH-52) is two once-connected highways in the U.S. state of Oklahoma. There are no lettered spur routes from either of them. The southern SH-52 is a short, state highway in McIntosh County, Oklahoma. It connects State Highway 9 to the town of Hanna. The northern SH-52 runs for from US-266 northeast of Grayson to SH-16. Along the way it intersects US-62 near Morris. At one time, at least as recently as 1972, the two sections of SH-52 were connected by a dirt section running from SH-9 to US-266. This section