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Oklahoma has an extensive turnpike system, maintained by the state government through the Oklahoma Turnpike Authority. All of Oklahoma's turnpikes are controlled-access highways. The majority have at least four lanes, though the Chickasaw Turnpike is two lanes.
Tolls on Oklahoma's turnpikes are collected through several methods, particular to each turnpike, involving mainline and sidegate toll plazas. Tolls can be paid through cash (at either unstaffed exact-change bays or staffed booths, depending on the plaza) or through the Pikepass transponder system. In place of cash collection booths, PlatePay, a cashless pay-by-mail system, operates on many of the state's turnpikes, including the Kilpatrick Turnpike, Kickapoo Turnpike, and Creek Turnpike.