Traffic Collision Disrupts San Marcos Commute

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

📍 San Marcos, CA

📅 Published: July 17, 2025 at 10:37 PM

🔄 Updated: July 17, 2025 at 11:09 PM

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 significant disruptions to traffic flow today. The incident, which involved two vehicles—a silver Mazda sedan and a red sedan—occurred around 10:14 PM. Following the collision, the second lane from the right was blocked, leading to lane closures that impacted traffic in the area.

Emergency response units arrived quickly to manage the situation and secure the scene. A tow truck was requested for at least one of the vehicles involved, indicating that it may not have been drivable. As a result, motorists experienced delays and congestion while navigating through the affected area.

Drivers using State Route 78 East should anticipate backups as emergency services work to clear the scene and restore normal traffic conditions. Traffic management teams are actively directing vehicles to minimize further disruptions. Motorists are advised to consider alternate routes to avoid the ongoing delays.

This traffic incident highlights the importance of remaining vigilant and cautious while driving, especially during evening hours when visibility may be reduced. Updates will be provided as the situation develops and traffic conditions improve.

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