A man was killed after being struck by a vehicle at a Caltrans inspection station on Friday.

The collision occurred at the Caltrans Commercial Vehicle Enforcement Station in Nipton, off Interstate 15 in eastern San Bernardino County. The victim, a male pedestrian, was working on the brakes of a semi truck when he was hit by the vehicle and run over.

The man was pronounced dead at the scene. He has been identified as Alphonso Monterio, 74, of Las Vegas.

The collision remains under investigation, and the identity of the other party or parties has not been publicly revealed.