Deadly Crash on I-25 Near Longmont

Colorado State Patrol seeks witnesses after fatal collision between work van and pickup truck

Published on Mar. 10, 2026

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The Colorado State Patrol is investigating a fatal crash that occurred on Interstate 25 near Longmont on Monday morning. According to authorities, a white work van and a red Ford pickup truck were both traveling southbound when the pickup truck attempted to pass the van on the right shoulder, causing the van to clip the pickup's rear corner. The pickup then spun out, hit the concrete barrier, and overturned, killing the driver.

Why it matters

This tragic incident highlights the dangers of unsafe lane changes and passing maneuvers on the highway. The Colorado State Patrol is appealing to the public for any information or dash cam footage that could help shed light on the events leading up to the crash.

The details

Troopers say the white work van signaled that it was merging from the left lane into the right lane when the red Ford pickup truck behind it attempted to pass it on the right. The pickup truck drove onto the shoulder and, as it merged back into the right lane, the van clipped its left rear corner. This caused the pickup to spin out, hit the concrete barrier, and overturn, coming to a stop on its roof in the southbound lanes.

  • The crash occurred around 5:50 a.m. on Monday, March 10, 2026.

The players

Colorado State Patrol

The state law enforcement agency investigating the fatal crash on Interstate 25.

White work van

One of the vehicles involved in the collision, which was reportedly merging from the left lane to the right lane when the incident occurred.

Red Ford pickup truck

The other vehicle involved, which attempted to pass the work van on the right shoulder before the crash.

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What they’re saying

“We're asking anyone who witnessed the crash, or any of the driving behavior of either vehicle before it, to contact the vehicular crimes unit.”

— Colorado State Patrol (cbsnews.com)

What’s next

The Colorado State Patrol is requesting dash camera footage from any drivers who may have captured the incident or the vehicles' behavior leading up to the crash. Investigators are also seeking additional witnesses who can provide information about the events.

The takeaway

This tragic incident on I-25 near Longmont serves as a sobering reminder of the importance of safe driving practices, such as proper lane changes and passing maneuvers. The Colorado State Patrol's appeal for public assistance underscores the critical role witnesses and video evidence can play in understanding the causes of such crashes and preventing similar tragedies in the future.