Oklahoma State Highway 4 Oklahoma State Highway 4 State Highway 4, abbreviated as SH-4 or OK-4, is a designation for two distinct highways maintained by the U.S. state of Oklahoma. One of them serves as an important route through the suburbs west of Oklahoma City, while the other connects US-259 to the Arkansas state line west of Cove, Arkansas. SH-4 has no lettered spur routes. The two SH-4s were never connected. The Central Oklahoma highway was established in 1941 and gradually extended to its present extent between then and 2003. The Eastern Oklahoma highway was originally numbered SH-21, and was renumbered to SH-4 in
Oklahoma State Highway 31 to the town of Kinta. At Kinta, SH-2 turns north, and SH-31 continues east, with a short dogleg concurrency with SH-82 at Lequire. Continuing on to the east, SH-31 serves as the southern terminus for SH-26 at McCurtain, then passes though Bokoshe before terminating at US-59/US-271, two miles (3 km) north of Panama. SH-31A is a spur connecting SH-31 with US-270/SH-1 and the town of Stuart in Pittsburg and Hughes counties. SH-31B is a spur connecting SH-31 and the town of Olney in Coal County. Oklahoma State Highway 31 State Highway 31 (abbreviated SH-31) is a state highway in Oklahoma.