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 14 remainder of the route. SH-14 was rerouted to follow an independent routing northward from Waynoka (the present day routing) in 1940, and the section of the highway connecting Alva to the Kansas line was dropped (making this road solely US-281). The rest of the highway, still concurrent with US-183 and US-281, was decommissioned the following year, leaving SH-14 at its present-day termini. No changes have been made to SH-14 since. Oklahoma State Highway 14 State Highway 14, abbreviated as SH-14, is a highway maintained by the U.S. state of Oklahoma. It is long, with its entire route falling in Woods