Major Traffic Delays After Pomona Collision

Traffic Collision on State Route 57 in Pomona Causes Delays Today

📍 Pomona, CA

📅 Published: September 21, 2025 at 04:34 AM

🔄 Updated: September 21, 2025 at 05:35 AM

Map showing the location of the accident in Pomona, CA
Pomona, September 21, 2025 -

A traffic collision on State Route 57 North in Pomona, CA, caused significant traffic delays this morning. The incident occurred around 4:20 AM and involved three vehicles: a Big Rig Tractor Trailer, a white Tesla, and an unknown black sedan.

As a result of the collision, lane #4 was blocked, leading to congestion and backups for early morning commuters. Emergency services promptly responded to the scene to manage traffic and secure the area. By 4:55 AM, the on-ramp to northbound State Route 57 was closed to facilitate the clearing of the vehicles involved in the traffic incident.

The white Tesla was reported to be facing sideways across lane #4, while the Big Rig was positioned just ahead of the collision site. A tow truck was dispatched to assist with the removal of the vehicles, contributing to the ongoing traffic impact.

Motorists traveling through the area should expect delays as crews work to resolve the situation. Authorities are actively managing the scene to restore normal traffic flow. Drivers are encouraged to seek alternate routes if possible to avoid congestion caused by this traffic collision.

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