Major Traffic Disruptions on State Route 163

Traffic Collision on State Route 163 North in San Diego Causes Significant Delays Today

📍 San Diego, CA

📅 Published: August 5, 2025 at 09:33 AM

🔄 Updated: August 5, 2025 at 11:00 AM

Map showing the location of the accident in San Diego, CA
San Diego, August 5, 2025 -

A traffic collision on State Route 163 North in San Diego, CA, caused significant traffic disruptions during the morning commute today. The incident involved two vehicles, including an MTS transit bus that collided with a guardrail and a sign.

At approximately 9:01 AM, the MTS bus struck the guardrail at a high speed, resulting in the bus blocking the end of the on-ramp from University Avenue. The second vehicle was observed in the right lanes at the scene.

Emergency traffic management responses were activated to secure the area and divert vehicles away from the collision site. As a result, the on-ramp from University to State Route 163 North was closed, leading to delays and congestion for motorists in the vicinity.

Traffic control measures included the activation of electronic message signs to inform drivers of the situation and guide them through alternative routes. A tow truck was requested to assist with the removal of the MTS bus, which sustained damage from the collision.

Motorists are advised to expect delays and seek alternate routes until the area is cleared and normal traffic flow is restored. Authorities are working diligently to manage the situation and minimize disruptions for commuters.

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