Garco911: I-70 westbound closures for mud slides

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Colorado Department of Transportation

Westbound I-70 is CLOSED between New Castle and Silt – 9:00 p.m. (8/30/2026) – I-70 westbound lanes are closed from New Castle, mile point 101, due to mudslide and flooding.

Commuters can expect detours onto US 6 and the frontage road. There is no estimated time for reopening.

Check the latest road conditions on COtrip.org or on the #COtrip Planner app

Debris and mud on I-70 near New Castle

Garfield County Emergency Communications Authority

8.30.26, 8:24 pm – I-70 is closed at mile marker 105 westbound, New Castle, due to a mud slide. Traffic is being diverted onto Highway 6.

8.30.26, 7:38 pm – I-70 is also closed at mile marker 75 westbound, Parachute, due to a mud slide. Traffic is being diverted onto Highway 6

8.30.26, 7:12 pm – I-70 is closed at mile marker 72 westbound, West Parachute, due to a mud slide. Traffic is being diverted onto Highway 6.

Mud and debris on Interstate 70

GARFIELD COUNTY EMERGENCY COMMUNICATIONS AUTHORITY
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Garco911: I-70 westbound closures for mud slides