North Texas Tollway Authority

The North Texas Tollway Authority (NTTA) is a not-for-profit government organization that maintains and operates toll roads, bridges, and tunnels in the North Texas area. Functioning as a political subdivision of the State of Texas under Chapter 366 of the Transportation Code, the NTTA is empowered to acquire, construct, maintain, repair and operate turnpike projects; to raise capital for construction projects through the issuance of turnpike revenue bonds; and to collect tolls to operate, maintain and pay debt service on those projects.

Source: Wikipedia — North Texas Tollway Authority (CC BY-SA 4.0)