  Cimarron Turnpike | |
|---|---|
 Cimarron Turnpike highlighted in red | |
| Route information | |
| Maintained by Oklahoma Turnpike Authority | |
| Length | 59.2 mi (95.3 km) |
| Existed | May 16, 1975[1]–present |
| Component highways |  US 412 (mainline)  SH-312 (Stillwater Spur) |
| Major junctions | |
| West end |   I-35 / US 64 near Perry |
 US 77 near Perry, US 177 in Noble County | |
| East end |  US 64 / SH-48 at Westport |
| Location | |
| Country | United States |
| State | Oklahoma |
| Counties | Noble, Pawnee, Payne |
| Highway system | |
| |
The Cimarron Turnpike is a controlled-access toll road in north-central Oklahoma. The route travels 67 miles (108 km), from an interchange with Interstate 35 (I-35) north of Perry, to Westport, just west of Tulsa. The route also consists of a 7.2-mile (11.6 km) spur which runs from the mainline southwest to an interchange with U.S. Route 177 (US 177) north of Stillwater.
The entirety of the Cimarron Turnpike is concurrent with US 412 except for the Stillwater spur. At either end of the Turnpike, US-412 begins (or ends, depending on direction) a concurrency with US-64.
The Cimarron Turnpike opened to traffic in 1975. The US 412 designation was applied to the Cimarron Turnpike in 1988.