Major Traffic Delays on I-15 After Collision

Traffic Collision on Interstate 15 in Rancho Cucamonga Causes Delays Today

📍 Rancho Cucamonga, CA

📅 Published: July 20, 2025 at 11:35 PM

🔄 Updated: July 21, 2025 at 12:09 AM

Map showing the location of the accident in Rancho Cucamonga, CA
Rancho Cucamonga, July 20, 2025 -

A traffic collision involving two vehicles occurred today on the southbound lanes of Interstate 15 (I-15) at the 4th Street offramp in Rancho Cucamonga, CA. The incident involved a black Dodge Durango and a white SUV, leading to lane blockage on the offramp and causing significant traffic delays for motorists.

Emergency response units from the California Highway Patrol (CHP) arrived promptly to manage the situation. Traffic management teams worked to control the scene and facilitate the safe removal of the vehicles involved. A tow truck was requested for the black Dodge Durango as part of the recovery efforts.

As a result of the traffic incident, drivers experienced backups and congestion in the area, particularly for those attempting to exit at the 4th Street offramp. The CHP worked diligently to restore normal traffic flow and minimize disruption for commuters.

Motorists are advised to exercise caution when traveling through the area and to anticipate potential delays as the situation is resolved. The CHP continues to manage the scene to ensure safety and facilitate a swift clearance of the traffic collision.

Drivers are encouraged to consider alternative routes to avoid the affected area and reduce congestion on the southbound Interstate 15.

Were you or someone you know involved in this accident?

If you would like the full incident log, we can send it to you directly.

Request Full Incident Log

Disclaimer

The content on this website is auto-generated and based on publicly available information. While we strive to provide accurate and timely updates, we cannot guarantee the accuracy, completeness, or reliability of the information presented. This content is for informational purposes only and should not be used as the basis for decision-making. We encourage you to independently verify any facts or details. For the most accurate and up-to-date information, please contact the California Highway Patrol (CHP) directly. The website and its owners are not responsible for any errors, omissions, or actions taken based on the information provided.