San Francisco Traffic Alert After Semi Truck Fire Near Golden Gate Bridge Forces Lane Closures on Highway 101

SAN FRANCISCO, CALIFORNIA — A sudden vehicle fire involving a semi truck caused traffic disruption along southbound Highway 101 near the Golden Gate Bridge on Wednesday, forcing lane closures during late morning travel.

According to the San Francisco Fire Department, the incident occurred at approximately 11:03 a.m. just past the toll plaza on the southbound side of the highway, a heavily traveled route for commuters entering the city.

Truck Cab Engulfed in Flames Near Bridge

Officials confirmed that the fire originated in the cab of the semi truck. The flames caused visible damage to the front section of the vehicle, with emergency crews responding quickly to prevent the situation from escalating further.

Firefighters were able to bring the blaze under control within minutes, successfully extinguishing the fire by around 11:20 a.m.

Lane Closures Trigger Traffic Delays

The California Highway Patrol reported that the far-right lanes of southbound Highway 101 were closed as crews worked at the scene. These closures led to noticeable slowdowns for drivers heading toward San Francisco, especially during the mid-day traffic period.

Given the location near one of the region’s most critical transportation points, even partial lane closures contributed to congestion buildup in the surrounding area.

Cause of Fire and Injuries Still Unclear

Authorities have not yet confirmed what caused the semi truck to catch fire. There has also been no immediate information released regarding the condition of the driver or whether any injuries occurred as a result of the incident.

Investigations are expected to continue as officials assess the damage and determine the sequence of events leading up to the fire.

Traffic Conditions Expected to Normalize Gradually

While the fire was quickly contained, residual delays may continue as traffic clears and crews ensure the roadway is safe for normal use. Drivers traveling along Highway 101 near the bridge are advised to proceed with caution and stay alert for any ongoing lane restrictions.

Incidents like this highlight how quickly unexpected events can disrupt traffic flow in high-density corridors, particularly near major landmarks like the Golden Gate Bridge.

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