Traffic Collision Causes Major Delays on SR-78

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

📍 San Marcos, CA

📅 Published: June 9, 2025 at 08:34 PM

🔄 Updated: June 9, 2025 at 09:30 PM

Map showing the location of the accident in San Marcos, CA
San Marcos, June 9, 2025 -

A traffic collision occurred today on State Route 78 West near Las Posas in San Marcos, CA, leading to significant traffic disruptions. The incident involved a single vehicle that collided with a fence, with the first report coming in at approximately 7:02 PM.

Emergency services quickly responded to the scene, deploying multiple units to manage the situation and secure the area. As crews worked to clear the traffic incident, motorists experienced delays and congestion in the vicinity, particularly in the right lane, which was affected by the collision.

By 8:09 PM, emergency responders had cleared the scene, allowing for the gradual reopening of lanes. A tow truck was called to assist with the vehicle's removal, further facilitating the restoration of normal traffic flow.

Drivers in the area were advised to remain cautious and expect potential residual delays as traffic returned to normal. The efficient response from emergency services helped minimize the impact on evening traffic, ensuring that the situation was resolved as quickly as possible.

For those traveling through San Marcos, CA, staying updated on traffic conditions is recommended to avoid delays caused by unforeseen incidents.

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