The Chickasaw Turnpike is a short two-lane toll road that is located in the rural south central region of the U.S. state of Oklahoma. It stretches for 17.3 miles (27.8 km) from west of Sulphur to just south of Ada. The Oklahoma Turnpike Authority (OTA) owns, maintains, and collects tolls on the turnpike. The first section of the Chickasaw Turnpike opened on September 1, 1991.
The Chickasaw resulted from a compromise between urban and rural legislators. Originally, it was part of a now-canceled plan to connect southern and eastern Oklahoma with a longer turnpike. It was also intended to link Ada to the Interstate system. OTA is negotiating an agreement to transfer all or part of it to the Oklahoma Department of Transportation (ODOT), making it a toll-free road.