The road, located in Pecos, Crane, and Ector counties, begins along the concurrent routes of Business Interstate 10-G (Bus.

The road passes through the towns of Imperial, where it intersects FM 11, and Tubbs Corner, where it crosses State Highway 329 (SH 329).

The 59.4-mile (95.6 km) two-lane road begins in Pecos County at the combined routes of Bus.

[4] The road intersects FM 11 in Imperial before crossing the Pecos River into Crane County.

[5] The road intersects SH 329 in Tubbs Corner[6] and turns to the northwest crossing FM 1233[5] and entering Ector County before terminating at I-20[7] approximately 7.5 miles (12.1 km) west of Penwell.