The California Highway Patrol is reporting a fatal collision occurred Saturday morning on W Grant Line Road at Altamont Pass Road in Alameda County.
The collision, which involved at least two vehicles, was first reported at 5:10 a.m., according to the CHP.
The CHP is reporting one of the vehicles caught fire.
As of Saturday morning at 5:11 a.m., the CHP was reporting the roadway was blocked.
No other information about the incident was immediately available.