Authorities are investigating a fatal crash early Sunday on Interstate 580 between Dublin and Castro Valley and are seeking witnesses or anyone with information about it.
The collision was reported about 2:36 a.m. on westbound I-580, just east of Eden Canyon Road.
A white 2021 Chevrolet Trailblazer veered onto the right shoulder hit a 2021 Ford E-Transit Van and its driver as he stood outside the vehicle, according to the California Highway Patrol.
The driver was pronounced dead. His name has not been released.
Anyone with knowledge of the collision is asked to call the Dublin CHP office at 925-828-0466.