Colorado Department of Transportation

The Colorado Department of Transportation (CDOT, pronounced See Dot) is the principal department of the Colorado state government[2] that administers state government transportation responsibilities in the state. CDOT is responsible for maintaining 9,144 mile highway system, including 3,429 bridges with over 28 billion vehicle miles of travel per year. CDOT's Mission is "To provide the best multi-modal transportation system for Colorado that most effectively moves people, goods, and information."[3]

Colorado Department of Transportation (CDOT)
Colorado Department of Transportation logo.png
CDOT Headquarters.JPG
CDOT headquarters in Denver
Agency overview
Headquarters2829 W. Howard Place Denver, Colorado 80204
Annual budget$2 billion[1]
Agency executives
Parent agencyState of Colorado
CDOT Control Monument on U.S. Highway 50 near Grand Junction

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.


Source: CDOT[3][4]
  • 1909: The first highway bill was passed by forming a three-member Highway Commission to approve work and allocate funds. The Commission first took their post on January 1, 1910.
  • 1917 – The State Highway Fund was created and the State Highway Department was formed.
  • 1935: Highway Department employees were joined by 44 new co-workers selected from among 7,500 applicants to become the first members of the Colorado State Highway Courtesy Patrol. The Patrol became a division of the Highway Department.
  • 1947: The first National System of Interstate and Defense Highways was approved by the federal works administrator. In Colorado, approved routes included all of I-25 from the Wyoming border to Raton Pass; all of I-80S (now I-76); and I-70 from Denver to the Kansas border.
  • 1953: The state legislature passed a new law reorganizing the Highway Department and renaming it the Colorado Department of Highways.
  • 1956: Congress passed the Federal Interstate Highways Act. Among the approvals was the section of I-70 from Denver to the Utah border.
  • 1968 – The legislation reorganized highway matters and created the Colorado Department of Highways (CDOH) with 3 main divisions: Division of Highways, Division of Planning and Research, and Division of Patrol
  • 1991 – CDOH became CDOT to better align its functions and budgets with Federal Highway Administration / U.S. Department of Transportation
  • 2010: CDOT celebrates its 100-year anniversary


Colorado Avalanche Information Center



Colorado Division of Aeronautics[5][clarification needed]

Rail TransitEdit

Union Station, Denver.

Amtrak Passenger Railroad Routes through ColoradoEdit

Commuter Rail and Light RailEdit

Tourist RailEdit

Intercity Bus Transit (Bustang)Edit

Communities in Colorado with Regional Bus ServiceEdit

Alamosa, Aurora, Boulder, Brush, Colorado Springs, Delta, Denver, Durango, Englewood, Frisco, Fort Collins, Fort Morgan, Glenwood Springs, Grand Junction, Greeley, Lamar, Limon, Longmont, Montrose, Pueblo, Rocky Ford, Springfield, Sterling, Trinidad, Vail, and Walsenburg

See alsoEdit


  1. ^ a b c d e "About CDOT". Colorado Department of Transportation. State of Colorado. Retrieved January 31, 2020.
  2. ^ C.R.S. § 24-1-110
  3. ^ a b "CDOT History". Colorado Department of Transportation. Retrieved December 29, 2017.
  4. ^ CDOT 2008–2009 Fact Book[permanent dead link]
  5. ^ "Colorado Division of Aeronautics". Colorado Department of Transportation. Retrieved December 29, 2017.

External linksEdit