COLFAX, Wash. -

Washington State Patrol (WSP) is investigating an early morning crash near Colfax that killed a Kennewick, Wash. man.

Charles Shaw, 38, was driving westbound on State Route 26 when his vehicle crossed the center lane, onto the eastbound shoulder, and down an embankment into a creek. The vehicle struck a tree, ejecting Shaw through the window. He was not wearing a seat belt. No other people were inside the vehicle.

The cause of the crash is under investigation.