The driver of an 18-wheeler died after he drove off Highway 99 near Cypress Rosehill in northwest Harris County.
The crash happened at about 11:30 p.m. in the 18500 block of Highway 99.
Harris County deputies said the truck entered the median before going off the roadway and hitting a wall.
The driver was partially ejected and died at the scene. No other vehicle was involved.
Investigators said the road was wet but don’t know if weather was a factor.