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 32 Davidson to Kingston, the route covered a total of along present-day roads. However, the westernmost of SH-32 still overlapped US-70. On September 6, 1966, after over twenty years of cosignage, SH-32 was truncated to its current western terminus in Ryan. Everything west of Waurika was now solely US-70. After the truncation of 1966, SH-32 had the same route that it does today. Oklahoma State Highway 32 State Highway 32 (SH-32 or OK-32) is a state highway in the U.S. state of Oklahoma. The highway runs from west to east across the southern part of the state, just north of the