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 125 Oklahoma State Highway 125 State Highway 125 (abbreviated SH-125) is a state highway in northeastern Oklahoma that is long. It begins in the south at Grand Lake O' the Cherokees, ending in Miami at US-69/State Highway 10. It has no lettered spur routes. SH-125 was established in the late 1950s as a gravel spur to Monkey Island from US-59. It was paved within the first five years of its existence, and was extended north to Miami in the early 1970s. State Highway 125 begins on Monkey Island, a peninsula jutting into Grand Lake, at the Shangri-La resort at the southern