View the Colorado Department of Transportation's interactive map showing road conditions in the state.

Gather information about weather forecasts and anticipated travel impacts and current road conditions prior to hitting the road. CDOT resources include:

These were initially designated on November 11, 1926, and extend throughout the contiguous United States. There are several U.S. Highways that exist entirely within one state.

This US road map displays major interstate highways, limited-access highways, and principal roads in the United States of America. It highlights all 50 states and capital cities, including the nation’s capital …

Jan 23, 2026 · Last updated: Friday, January 23, 2026.

Download annual mileage for state highways, city and county roads, truck statistics, and VMT. Query, filter and analyze Bike and Pedestrian traffic counts. Search, download and visualize CDOT GIS data.

Find detailed maps of USA highways, major routes, and roads. Plan your travel routes and seek out your favorite routes through the USA.

The meaning of HIGHWAY is a public way; especially : a main direct road. How to use highway in a sentence.

Highway, major road, usually in rural areas, but more recently a rural or urban road where points of entrance and exit for traffic are limited and controlled. See.

Learn more about the design, construction, and maintenance of the Nation’s highway system by contacting the Federal Highway Administration (FHWA) or visiting its website.