Morning Collision Causes Delays on State Route 78

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

📍 San Marcos, CA

📅 Published: July 17, 2025 at 08:05 AM

🔄 Updated: July 17, 2025 at 09:30 AM

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

A traffic collision on State Route 78 East in San Marcos, CA, has caused notable delays during the morning commute today. The incident involved two vehicles: a white Chevrolet work van and a blue Toyota. Both vehicles were confirmed to be driveable but ended up blocking the left lane, resulting in traffic congestion and backups in the area.

Emergency response units quickly arrived at the scene to manage the situation and clear the roadway. A tow truck was called to assist in separating the vehicles, which were initially stuck together. By 7:31 AM, the vehicles were successfully separated, allowing for the left lane to be reopened to traffic.

Motorists traveling on State Route 78 East should anticipate residual delays as traffic begins to normalize following the incident. The collision underscores the importance of maintaining safe distances between vehicles to prevent similar accidents in the future.

Drivers are advised to remain cautious and stay updated on traffic conditions in the area as cleanup efforts continue. The California Highway Patrol is on site to ensure safety and assist with traffic management needs.

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