Highway 40 / CDOT Update

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Highway Surface Treatment Upgrade for CO 64 and US 40

Highway surface treatment upgrade for Rio Blanco County on CO 64 and in Moffat County on US 40

The Colorado Department of Transportation has begun a resurfacing project on US Highway 40 and Colorado Highway 64. The work being done on the two sections will address the distressed highway in rural Northwest Colorado. Roadways in the communities of Rangely and Dinosaur show severe cracking and are beginning to fail. Work along US 40 will take place in and near the community of Dinosaur, Mile Points 0 – 7. Work on CO 64 will be in and near Rangely, MP 20-28. Work will consist of overlay on both roadways, pavement markings bringing guardrails up to the new standards.


  • Monday - Friday, July 12 - 16, from 6:30 a.m. to 7:30 p.m., motorists can expect the eastbound shoulder closed on US 40 through the town of Dinosaur.
  • Crews will be working on CO 64, so motorists can expect one-way traffic closures. There will also be survey crews throughout the corridor.  


Anyone traveling this corridor can expect throughout the project:
  • Lanes shifts of existing roadway alignment.
  • Single-lane, alternating one-way traffic through the work zone.
  • Flaggers will direct single-lane, alternating traffic.
  • Width restrictions of 10 feet on CO 64 and 12 feet on US 40 will be in place 24 hours a day.
  • Speed reductions will be in place of 35 mph during working hours.

If you have questions or concerns or if you would like to be added to our public outreach contact list to receive construction updates, please contact us!

Travelers are urged to “know before you go.” Gather information about weather forecasts and anticipated travel impacts and current road conditions prior to hitting the road. CDOT resources include:

CDOT’s Whole System-Whole Safety program has one simple mission — to get everyone home safely. Our approximately 3,000 employees work tirelessly to reduce the rate and severity of crashes and improve the safety of all modes of transportation. The department manages more than 23,000 lane miles of highway, more than 3,000 bridges and 35 mountain passes. CDOT also manages grant partnerships with a range of agencies, including metropolitan planning organizations, local governments and airports. It also operates Bustang, the state-owned interregional express bus service. Gov. Jared Polis has charged CDOT to further build on the state’s intermodal mobility options.
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