CDOT begins US 40 resurfacing project from Genesee to County Road 93

News Release

May 6, 2021 - Central/Eastern Colorado

JEFFERSON COUNTY — The Colorado Department of Transportation and contractor Martin Marietta recently began a resurfacing project along approximately six miles of US 40 from South Mount Vernon Country Club Road in Genesee to County Road 93 near the I-70 exit to Morrison. Work includes daytime lane closures along this stretch of US 40 for repaving, painting, and guardrail replacements. The project is expected to last through October 2021, weather permitting. Once completed, the project will enhance safety for motorists and cyclists along US 40 by repaving the road, widening the shoulders, and improving guardrail structures and drainage.

US 40 Resurfacing Project Map

Travel Impacts

  • Working hours are 6 a.m. – 6 p.m. Mondays through Fridays. Occasional weekend work may occur from 7 a.m.– 5 p.m. Saturdays and Sundays.

  • Single-lane closures up to 1.5 miles long will be in effect during working hours.

  • Traffic holds: Both directions of traffic will be using one lane of travel for that 1.5-mile lane closure segment, therefore one direction of traffic will be stopped at a time for up to 20 minutes.

  • Cyclists must share the lane with motorists and follow pilot car and flagging operations.

    • Uphill bike traffic (westbound)- A pilot car will follow cyclists through the work zone. If a cyclist is unable to traverse the 1.5 miles during the allotted time, they can rest outside of the travel lanes and the pilot car will remain with the cyclist.

    • Downhill bike traffic (eastbound)- Cyclists can follow eastbound vehicles through the work zone during the allotted time.

  • Motorists and cyclists should expect grooved pavement until paving operations are completed.

  • Alternate routes are recommended if possible.

  • Lane shifts throughout the project may occur.

  • Please drive safely through the work zone when crews are present.

Project Contact Information

For additional information about this project, contact the project team:

Phone: 720-572-4474


Project Webpage:

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:

Remember: Slow For The Cone Zone

The following tips are to help you stay safe while traveling through maintenance and construction work zones.

  • Do not speed in work zones. Obey the posted speed limits.

  • Stay Alert! Expect the unexpected.

  • Watch for workers. Drive with caution.

  • Don't change lanes unnecessarily.

  • Avoid using mobile devices such as phones while driving in work zones.

  • Turn on headlights so that workers and other drivers can see you.

  • Be especially alert at night while driving in work zones.

  • Expect delays, especially during peak travel times.

  • Allow ample space between you and the car in front of you.

  • Anticipate lane shifts and merge when directed to do so.

  • Be patient!

About CDOT

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.