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 28 in Rogers Co. It runs west-to-east connecting SH-66 in Foyil with SH-28. Oklahoma State Highway 28 State Highway 28 (abbreviated SH-28) is a state highway in Oklahoma. It runs in an irregular west-to-east pattern through Nowata, Rogers, Mayes and Delaware counties. There is one letter-suffixed spur highway branching from SH-28, SH-28A. SH-28 begins at US-169 just south of Delaware. From there it travels east-to-south, passing the community of Childers, to a junction with US-60. Crossing US-60, SH-28 runs six miles (10 km) due south to New Alluwe, then eight miles (13 km) south and east to Chelsea, where it intersects