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
Capital punishment in Oklahoma be painless, easy and "inexpensive". On November 8, 2016, the people of Oklahoma voted 67-33 in favor of a legislatively referred state constitutional amendment strengthening capital punishment, providing that "any method of execution shall be allowed, unless prohibited by the United States Constitution". Oklahoma's death row for male inmates is located at "H" unit at Oklahoma State Penitentiary (OSP), where is also the state execution chamber. For female prisoners, the location is Mabel Bassett Correctional Center. Oklahoma's current policy is to transfer female inmates to OSP for their actual execution. Oklahoma currently has 48 male inmates and one female inmate