Contact CDOT | Get Help & Resources

Have an emergency? If you have a emergency please contact law enforcement immediately by dialing 9-1-1. if you need to report a highway incident during evening hours or on weekends, contact local law enforcement.

Safety Enforcement in Express Lanes

Within the I-70 Mountain, I-25 North and C-470 Express Lanes, roadside sensors will issue civil penalties starting at $75 to drivers who:

  • Use the Express Lanes when they're closed
  • Cross the solid white or yellow lines
  • I-70 Mountain Express Lanes only: Drive in the in vehicles with more than two axles or extending longer than 25 feet

For the I-70 Mountain Express Lanes, violations committed on or after July 21 will result in a $75 civil penalty. Violations not paid within 20 days of issuance will increase to a $150 civil penalty. These civil penalties will apply to the Express Lanes on C-470 and I-25 between US 36 and E-470 starting Oct. 1. Learn more about this program at

Violation Questions?
If you have questions about a violation or fine, payments or to file a dispute, please visit or call 833-816-0316 for assistance. CDOT is not managing these requests, and must go through the Express Lanes Safety Enforcement program.

 Chat Live with Our Customer Service Team

Our Customer Service Agents are available and waiting for your call.

Connect with an Agent in Your Region

Region 1 and Headquarters (Denver/Central Colorado)
Region 2 (Southeast Colorado)
Region 3 (Northwestern Colorado)
Region 4 (Northeast Colorado)
Region 5 (Southwestern Colorado)

CDOT Office Hours:
8 a.m. to 4:30 p.m. | Monday - Friday

Interpretation and Translation Services: CDOT provides reasonable language assistance free of charge upon request. Contact the Civil Rights & Business Resource Center for translation or interpretation requests related to any CDOT public meeting or service.

Access for the Visually and Hearing Impaired: Dial 711 or (800) 659-3656 to reach Relay Colorado. Relay Colorado is a free service that provides full telephone access to people who are deaf, hard of hearing, deaf-blind or speech-disabled.

Region 1 Office

2829 W. Howard Pl.
Denver, CO 80204

Region 2 Office

5615 Wills Blvd.
Pueblo, CO 81008

Region 3 Office

222 S. 6th St., #317
Grand Junction, CO 81501-2769

Region 4 Office

10601 W. 10th St.
Greeley, CO 80634

Region 5 Office

3803 North Main Ave. #306
Durango, CO 81301

Headquarters Office

2829 W. Howard Pl.
Denver, CO 80204