A serious traffic incident involving an overturned truck caused major disruptions on State Route 92 in the San Mateo-Hayward area on Friday, September 25, 2026, with motorists facing significant delays as emergency crews worked at the scene.
Current traffic information showed a severe traffic alert on eastbound Highway 92 between the San Mateo Bridge eastbound causeway and Clawiter Road, where an overturned vehicle blocked the roadway. Drivers were advised to avoid the affected section while emergency crews responded.
What Happened on Highway 92?
The incident occurred along eastbound Highway 92 in the Hayward area, near the eastern approach to the San Mateo-Hayward Bridge.
Traffic information reported an overturned vehicle and a severe traffic collision, with all eastbound lanes temporarily blocked while responders dealt with the wreck.
The incident created difficult conditions for motorists traveling toward Hayward and surrounding parts of the East Bay.
At the time of the latest available information, authorities had not released a complete account explaining exactly how the truck overturned or whether another vehicle was involved.
Traffic Backups Build Across the Area
The Highway 92 incident came during a period of heavy Bay Area traffic, increasing the impact of the closure.
Motorists approaching the bridge were warned of significant delays, while emergency and recovery crews worked to clear the roadway.
Earlier traffic reports also showed other disruptions around Highway 92, including disabled vehicles near the San Mateo Bridge and Clawiter Road.
Drivers were advised to allow additional travel time and follow directions from California Highway Patrol officers and transportation officials.
Investigation and Roadway Clearance
The exact circumstances behind the truck crash remain under investigation.
Authorities had not immediately released confirmed information about serious injuries, fatalities, or the factors that caused the vehicle to overturn.
As crews remove the damaged vehicle and debris, traffic conditions are expected to change. Motorists should rely on current roadway alerts before entering the area.
San Mateo Bridge Crash Details
| Detail | Information |
|---|---|
| Highway | State Route 92 |
| Area | San Mateo-Hayward Bridge / Hayward |
| Direction affected | Eastbound |
| Incident | Overturned vehicle/truck crash |
| Nearby location | Clawiter Road |
| Traffic impact | Major delays and lane blockage |
| Investigation | Ongoing |
Ongoing Traffic Update
The Highway 92 crash remains a developing traffic incident. Additional information about injuries, the number of vehicles involved and the precise cause may become available as authorities complete their investigation.
Disclaimer: This article is based on preliminary traffic information available at the time of publication. Road conditions, lane closures, injury reports and other details may change as authorities provide additional information.