Major Traffic Disruption from Semi Truck Collision

Traffic Collision on Brea Canyon Road in Walnut Causes Lane Closures Today

📍 Walnut, CA

📅 Published: September 11, 2025 at 06:34 PM

🔄 Updated: September 11, 2025 at 07:30 PM

Map showing the location of the accident in Walnut, CA
Walnut, September 11, 2025 -

A traffic collision involving two semi trucks occurred today on the Brea Canyon Road off-ramp of the Westbound 60 Freeway in Walnut, CA. The incident, reported around 5:18 PM, involved one semi truck carrying gas and another blocking both lanes of the off-ramp. This resulted in significant traffic impact, leading to lane closures and delays for drivers in the area.

Emergency services quickly responded to the scene to manage traffic and ensure safety. Officers were stationed to direct vehicles away from the blocked lanes, helping to mitigate congestion. A tow truck was called to remove the semi trucks, and by approximately 5:48 PM, both vehicles were cleared from the roadway. However, motorists may still experience residual delays as traffic begins to return to normal.

Drivers are advised to remain cautious when traveling through the area and to anticipate potential backups as the situation resolves. This traffic incident underscores the importance of being aware of road conditions and the possibility of unexpected collisions, particularly during busy travel times.

Motorists are encouraged to stay updated on traffic conditions and consider alternative routes if necessary to avoid delays on the Brea Canyon Road off-ramp.

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