HARRIS COUNTY, Texas (KTRK) -- A deadly crash involving an alleged drunk driver shut down part of the West Sam Houston Tollway on Tuesday night, the Harris County Pct. 5 Constable's Office said.

Pct. 5 deputies said the alleged drunk driver was in a black Honda SUV when they ran into the back of a U.S. Postal Service 18-wheeler at around 10 p.m. near Briar Forest on the west side.

The alleged drunk driver was ejected from the vehicle and died at the scene, authorities said.