Major Traffic Disruption on State Route 78

Traffic Collision on State Route 78 West in San Marcos Causes Delays Today

📍 San Marcos, CA

📅 Published: May 17, 2025 at 01:02 PM

🔄 Updated: May 17, 2025 at 01:33 PM

Map showing the location of the accident in San Marcos, CA
San Marcos, May 17, 2025 -

A traffic collision on State Route 78 West in San Marcos, CA, caused significant traffic disruptions today. The incident involved two vehicles: a white sedan and a white Toyota. The collision occurred around noon, impacting at least one lane near the Las Posas exit, which led to delays for drivers during the busy lunchtime period.

Emergency response units quickly arrived on the scene to manage traffic and ensure safety. One vehicle was removed from the roadway, while the other remained at the scene. A tow truck was called to assist with the removal of the vehicle that was positioned off the freeway.

As a result of the collision, motorists experienced backup and congestion in the area, prompting authorities to advise drivers to seek alternative routes if possible. The ongoing scene management may continue to affect traffic flow until the situation is fully resolved.

Updates will be provided regarding the reopening of lanes and the clearance of the scene. Drivers are encouraged to stay informed about traffic conditions in San Marcos, CA, as emergency services work diligently to restore normal traffic patterns.

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