Oklahoma State Highway 66 Oklahoma State Highway 66 State Highway 66 (abbreviated SH-66) is a state highway in the U.S. state of Oklahoma, beginning at U.S. Highway 81 in El Reno and ending at U.S. Highway 60 near White Oak. The highway was designated in 1985 as a replacement for the decommissioned US-66. Although most of the highway follows Historic Route 66, the highway follows US-66's final alignment, joining Interstate 44 through Tulsa and Oklahoma City, while older versions of the route follow various city streets through both cities. The highway has retained its importance for most of its length due to its paralleling
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