Major Traffic Disruptions on State Route 78

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

📍 San Marcos, CA

📅 Published: July 5, 2025 at 12:38 AM

Map showing the location of the accident in San Marcos, CA
San Marcos, July 5, 2025 -

A traffic collision on State Route 78 East in San Marcos, CA, caused significant traffic disruptions today. The incident involved two vehicles, including a gray, four-door Hyundai that was observed emitting smoke. The collision occurred near Twin Oaks Valley Road during the early morning hours, leading to lane closures and temporary traffic delays.

Emergency units arrived promptly to manage the situation, directing traffic and securing the area to ensure safety. A tow truck was called to assist with the removal of at least one vehicle involved in the crash.

As a result of the incident, motorists experienced congestion and delays in the area. The lane closures, combined with existing construction signs, contributed to a backup for drivers during the morning commute.

Travelers are advised to seek alternate routes if possible and to remain cautious while navigating the affected area. The California Highway Patrol is actively managing the incident, and updates will be provided as the situation develops.

For the latest traffic updates, stay tuned to local news sources and traffic apps to avoid delays on State Route 78 East in San Marcos, CA.

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