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Contact Us

If you have a question, you may find your answer in our Frequently Asked Questions or in our Frequently Called Phone Numbers listing.

To report a pothole, problem or concern on a state highway, please use the form below.

Click here for a listing of CDOT's Headquarters and Regional Offices.

Please visit the following agencies for Motor Vehicle, Port of Entry, and many other transportation-related questions or issues:

  • Please contact the City/County regarding potholes or snow removal on side streets. CDOT is responsible for potholes and snow removal on Colorado State Highways only.
  • For claims regarding a state highway, please contact the State Office of Risk Management at 303-866-3848 or 1-800-268-8092. State Office of Risk Management Electronic Claim Form

Contact information can also be found in an alphabetical listing by Topic.


If you have not found what you are looking for, please complete the form below. Your thoughts are important to us.

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CDOT HQ Address

Colorado Department of Transportation
Headquarters Office
4201 E Arkansas Ave
Denver CO 80222
Office Hours:
8 a.m. to 5 p.m. Monday - Friday
Relay Colorado: 711 or (800-659-3656)

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