Major Traffic Collision Blocks State Route 178

Traffic Collision on State Route 178 in San Bernardino County Causes Delays Today

📍 San Bernardino County, CA

📅 Published: September 23, 2025 at 07:36 PM

Map showing the location of the accident in San Bernardino County, CA
San Bernardino County, September 23, 2025 -

A significant traffic collision occurred today on State Route 178 at Westend Plant in San Bernardino County, CA, resulting in the complete blockage of the westbound lanes. The incident involved four vehicles, including at least one GMC Sierra 4-door. Emergency services responded quickly to manage the scene and direct traffic, as the collision caused substantial delays for motorists during the evening commute.

As traffic began to back up, emergency responders worked diligently to control the situation. Initially, a tow truck was requested to assist with the vehicles involved, but this request was later canceled, indicating that the vehicles may have been drivable.

Authorities advised drivers to avoid the area and seek alternate routes to minimize delays. The scene remained under control as emergency personnel continued to manage traffic flow and ensure safety.

Motorists are encouraged to stay informed about traffic conditions and exercise caution while navigating through San Bernardino County, CA, particularly on State Route 178, as the aftermath of the traffic incident may continue to affect travel times throughout the evening.

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