Major Traffic Disruption on State Route 78

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

📍 San Marcos, CA

📅 Published: September 26, 2025 at 08:06 PM

Map showing the location of the accident in San Marcos, CA
San Marcos, September 26, 2025 -

A traffic collision on State Route 78 East near Interstate 15 West in San Marcos, CA, caused significant traffic disruptions today. The incident occurred around 6:58 PM and involved three vehicles, including a red Toyota RAV4 and a grey Honda. The details of the third vehicle remain unspecified.

Emergency response units arrived promptly to manage the scene and enforce traffic control. The left-hand side of the roadway was affected, leading to delays for motorists traveling through the area. At least one vehicle was taken in for towing as part of the clearing operations.

Traffic congestion was reported as vehicles were redirected, and response teams worked diligently to restore normal traffic flow. By approximately 7:30 PM, efforts were underway to clear the scene and minimize the impact on commuters.

Drivers are advised to remain cautious and expect potential backups as the situation resolves. The California Highway Patrol was on-site to ensure safety and assist with traffic management. This traffic incident underscores the importance of safe driving practices on California's busy roadways.

Motorists are encouraged to stay informed about traffic conditions and to follow posted regulations to prevent future collisions.

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