HAYWARD -- A two-vehicle crash is blocking traffic in Hayward near the San Mateo Bridge, authorities said.
California Highway Patrol officers were dispatched just before 7 a.m. Wednesday to the wreck at northbound Interstate 880 and State Route 92, authorities said.
The crash, officers said, involved a silver Mercedes Benz and a blue Saturn.
Injuries were not immediately known.
Check back for more details.