Major Traffic Disruptions on State Route 78

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

📍 San Marcos, CA

📅 Published: September 14, 2025 at 01:05 AM

🔄 Updated: September 14, 2025 at 01:37 AM

Map showing the location of the accident in San Marcos, CA
San Marcos, September 14, 2025 -

A traffic collision on State Route 78 West in San Marcos, CA, has resulted in significant roadway disruptions today. The incident, involving a solo vehicle that struck a light pole, occurred around 12:30 AM. As a consequence of the crash, the far right lane of the highway has been closed, causing potential delays for motorists in the area.

Emergency services responded quickly to the scene, where they found damage to a guardrail and live wires, requiring immediate attention. Traffic management units were deployed to secure the area and redirect vehicles away from the affected lane. A tow truck was requested to remove the vehicle involved in the incident.

Motorists traveling on State Route 78 should anticipate some backup and congestion as crews work to clear the scene. The presence of emergency personnel and ongoing cleanup efforts may lead to further delays, particularly during the early morning hours when traffic is typically lighter.

Drivers are advised to exercise caution when approaching the area and consider alternate routes if possible. The California Highway Patrol is actively managing the situation to restore normal traffic flow as quickly as possible.

For updates on this traffic incident and other road conditions, please stay tuned to local news sources and traffic reports.

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