ANDREWS COUNTY - State Troopers are investigating after a fatal crash on Wednesday night.
The accident happened in Andrews County.
Troopers tell NewsWest 9, the driver ran a stop sign, lost control and ran into a ditch.
The big rig flipped then slid about 200 feet.
Investigators say the driver wasn't wearing his seat belt and was thrown out of the semi.
He died at the scene.