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2 killed, 2 injured in Highway 36 rollover crash in Boulder, CSP says

2 killed, 2 injured in Highway 36 rollover crash in Boulder_jan 2 2025.jpg
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BOULDER, Colo. — Two people were killed and two others were injured in a single-vehicle rollover crash on Highway 36 in Boulder on New Year's Day, troopers with the Colorado State Patrol said.

Troopers responded to the crash on Highway 36 at Lefthand Canyon Dive at around 9:46 a.m. and confirmed that a Jeep heading north on the highway traveled through the center grass median before rolling and coming to rest in the southbound lanes of the highway, according to a news release.

Two adults, the driver and a passenger, were killed on impact, troopers said, and two other passengers — both children ages 11 and 16 — were taken to a hospital with moderate injuries.

The two people killed were identified on Jan. 3 as Joshua and Christina Gilson, both 43 years old.

2 killed, 2 injured in Highway 36 rollover crash in Boulder_jan 2 2025.jpg

A family dog that was in the car was also put down for its injuries, CSP said.

Troopers said the highway was initially closed in both directions between Nelson and Neva Roads but lanes in both directions have since reopened.

While troopers initially said the cause of the crash was due to the fatigue, the CSP later recanted that statement and said, "no definitive cause has been determined, and the case remains under investigation."

"We apologize to the family and friends of those impacted by the incorrect statement about the crash's cause," troopers said in a subsequent statement on Jan. 8.

Editor's note on Jan. 8, 2025: This story has been modified with the latest information about the crash from the CSP.


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