CDOT's Mission is "To provide the best multi-modal transportation system for Colorado that most effectively moves people, goods, and information.

[4] Motor Carriers over 10,000 lbs are regulated by the state and are required to obtain a federal United States Department of Transportation (USDOT) safety tracking number used to monitor carriers' safety management practices and controls.

In 1991 – CDOH became CDOT to better align its functions and budgets with Federal Highway Administration / U.S. Department of Transportation.

Lew stated that this policy allows for capacity increases, but that major projects would require offsets in the form of climate-friendly additions.

Examples include the Bustang and Flatiron Flyer bus systems that serve Colorado communities.

Lew stated this policy enables Colorado to "lead by example" in reducing emissions, in the face of increasing impacts of climate change.

[10][12] The policy has received nationwide plaudits for "showing us how to end America's addiction to highway expansion".

[14] It also provides support for other bus systems in the state, such as the Flatiron Flyer which connects Boulder, Colorado to Denver, which is directly operated by the Regional Transportation District.