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Receive traffic and travel alerts via email or text for my saved routes and areas in Colorado. Special trucker alerts available for width restrictions, chain law enforcement, and other CMV information across the state.

Freight & Trucker Information for Traveling in Colorado New Law - Colorado 'Must Carry' Expansion! Beginning on September 1, 2024 all Commercial Motor Vehicles with a GVWR of 16,000# or greater must carry chains or approved alternate traction devices on the below Colorado Mountain Corridors.

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Highway System used facilitate traffic control and to advise the travelling public through electronic or static means of road conditions and travel requirements, including the status of any Passenger Vehicle Traction Law or Chain Law.

This information applies to Colorado state, federal, & interstate highways. CARRYING CHAINS ON I-70: Commercial vehicles driving on I-70 between mileposts 133 (Dotsero) and 259 (C-470) from Sept. 1–May 31 must carry sufficient chains at all times to be in compliance with the Colorado chain law. This is the only