Colorado Department of Transportation maintenance crews used snowplows to clear mud and debris from Interstate 70 following severe flooding [1, 2].

The use of winter equipment for summer flood debris highlights the scale of the mudslides that blocked a major U.S. transit artery. Because I-70 serves as a primary route through the Rocky Mountains, these closures disrupt regional travel and commerce.

Severe storms triggered major flooding and mudslides in Garfield County, depositing thick layers of debris across the highway [2, 3]. The flooding forced the closure of the interstate to ensure driver safety and allow for the removal of sediment [3].

Cleanup efforts remained underway nearly 20 hours after the flooding initially closed the road [1, 2]. Maintenance crews deployed snowplows to push the heavy mud off the pavement, a method typically reserved for winter storms, to expedite the reopening of the corridor [1].

Reports on the exact location of the closures vary. Some accounts said a section of the highway remains closed near Rifle in Garfield County [2]. Other reports said the flood shut down a stretch of I-70 between Silt and New Castle [3].

CDOT crews continue to work on the affected areas to ensure the road is clear of all hazardous materials before resuming normal traffic flow [2, 3].

“Colorado Department of Transportation maintenance crews used snowplows to clear mud and debris from Interstate 70”

The deployment of snowplows to manage mudslides indicates that standard road maintenance equipment was insufficient for the volume of debris. This incident underscores the vulnerability of mountain infrastructure to extreme weather events, where flash flooding can rapidly transform a highway into an impassable zone, requiring improvised engineering solutions to restore access.