Major Multi-Vehicle Crash Disrupts I-210 Traffic

Traffic Collision on Interstate 210 in San Dimas Causes Delays Today

📍 San Dimas, CA

📅 Published: July 3, 2025 at 01:32 AM

🔄 Updated: July 3, 2025 at 02:31 AM

Map showing the location of the accident in San Dimas, CA
San Dimas, July 3, 2025 -

A significant traffic collision occurred today on the eastbound lanes of Interstate 210 (I-210) at the State Route 57 (SR-57) interchange in San Dimas, CA. The incident involved nine vehicles, including a 7-Up semitruck, an SUV, a gray minivan in the high-occupancy vehicle lane, and a black van blocking multiple lanes.

The collision resulted in substantial traffic disruption, with lanes one, two, and the HOV lane blocked due to debris and the presence of the involved vehicles. Emergency services responded quickly, dispatching multiple units to manage traffic and secure the scene. As a result, drivers experienced delays and congestion in the area, particularly during the morning commute.

In addition to the primary vehicles, two other vehicles were reported with flat tires caused by debris from the collision. Traffic was diverted around the blocked lanes, and a tow truck was summoned to assist in clearing the scene.

By mid-morning, some lanes were reopened, but motorists were still advised to expect residual delays as cleanup efforts continued. Authorities remained on-site to ensure safety and facilitate the flow of traffic. Drivers are encouraged to seek alternate routes to avoid the area until the situation is fully resolved.

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