All westbound lanes of the San Mateo Bridge remain closed following a deadly multi-vehicle crash that occurred earlier today on Highway 92, according to authorities. The incident, confirmed by the California Highway Patrol, has prompted an active investigation and caused significant traffic disruptions across the region.
The collision occurred shortly before 3 p.m. on Highway 92, a major connector between San Mateo and Hayward. Preliminary reports indicate that at least two vehicles—a van and a sedan—were involved in the crash. One individual was pronounced dead at the scene, while another person sustained injuries and was transported to Stanford Hospital for medical treatment. Authorities have not released information regarding the identities of those involved, and the condition of the hospitalized individual has not yet been disclosed.
Emergency responders arrived swiftly, providing life-saving aid, securing the crash site, and diverting traffic away from the westbound lanes of the bridge. The California Highway Patrol has confirmed that all westbound lanes of the San Mateo Bridge were shut down to allow investigators to safely examine the scene and remove damaged vehicles and debris.
Officials stated that the cause of the crash remains under investigation. Investigators are working to reconstruct the sequence of events that led to the collision, including whether speed, impairment, mechanical failure, or roadway conditions played a role. At this time, authorities have not confirmed whether additional vehicles or injuries were involved beyond those initially reported.
The lane closures have resulted in heavy congestion and lengthy delays for commuters traveling through the area. Motorists attempting to cross the bridge during peak afternoon hours have experienced significant backups, with traffic being diverted to alternate routes. Drivers are being advised to use Highway 101 or the Dumbarton Bridge as alternatives while the investigation and cleanup continue.
Authorities have not provided a specific timeline for when westbound lanes will reopen. Officials emphasized that the roadway will remain closed until investigators complete their work and crews ensure the bridge is safe for travel. Traffic control officers remain on site to manage detours and assist motorists navigating the affected area.
The CHP is urging drivers to exercise caution, follow posted detours, remain alert for emergency personnel, and allow extra travel time. Officials also stress the importance of patience as crews work diligently to restore normal traffic conditions.
This tragic incident underscores the dangers associated with heavily traveled highways and bridges, particularly during high-volume traffic periods. Authorities continue to encourage motorists to drive attentively, obey traffic laws, and remain vigilant to help prevent similar tragedies in the future.
Additional updates are expected as more information becomes available regarding the cause of the crash, the investigation’s findings, and lane reopening timelines. Commuters are encouraged to monitor official traffic advisories and local news outlets for the latest developments.