Major Truck Accident Causes Traffic Chaos on I-5

Traffic Collision on Interstate 5 in Dunsmuir Causes Lane Closures Today

📍 Dunsmuir, CA

📅 Published: July 18, 2025 at 05:35 PM

🔄 Updated: July 18, 2025 at 07:00 PM

Map showing the location of the accident in Dunsmuir, CA
Dunsmuir, July 18, 2025 -

A significant traffic collision occurred today on Interstate 5 North (I-5 N) near Dunsmuir, CA, when a semi-truck hauling sugar rolled off the roadway and struck a guard rail. The incident took place around 4:42 PM, resulting in immediate lane closures and traffic disruptions in the area.

Emergency response teams were dispatched to manage the situation and secure the scene. The semi-truck, which was unable to be driven, ended up down an embankment, necessitating a hard closure of the off-ramp at South Dunsmuir. This closure is expected to lead to considerable delays for motorists traveling in the vicinity.

As crews work diligently to clear the wreckage and restore normal traffic flow, drivers should anticipate significant congestion and backups. Authorities are advising motorists to seek alternative routes to avoid the affected area, as the closure may last for several hours.

This traffic incident underscores the need for caution while driving, particularly in challenging conditions. Emergency units are actively managing the situation to ensure safety and minimize disruptions for all travelers on Interstate 5.

Stay updated on traffic reports for the latest information and plan your route accordingly.

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.