Major US 6 improvements underway in Avon now and over the next few years

Travel Advisory

April 4, 2024 - Northwestern Colorado -

Eagle County — The Colorado Department of Transportation began a highway improvement project on US Highway 6 and Post Boulevard in Avon on Monday, April 1. The project will construct a new roundabout at the intersection. CDOT is also working closely with the Town of Avon on improvements throughout US 6 between Post Boulevard and West Beaver Creek Boulevard, which will slow traffic and provide more defined locations for pedestrian crossings. These improvements may start as early as 2025. A significant portion of the improvements will be funded with $3 million in grants CDOT awarded the Town of Avon.

“As Avon and other mountain communities have grown in recent years, it is critical that we ensure that our infrastructure meets our changing needs,” said Region 3 Transportation Director Jason Smith. “The work we are beginning now and continuing in the coming years will make US 6 safer for everyone in Avon, no matter how they are traveling through town.”

US 6 and Post Boulevard Roundabout Construction in 2024

The existing roundabout at the US 6 and Post Boulevard intersection does not meet today’s engineering standards, leading to a significant number of crashes. CDOT is updating the roundabout to meet current safety standards including longer center medians, improved roundabout geometry, additional lighting and drainage improvements. The new roundabout will maintain the same general configuration with three legs that connect US 6 and Post Boulevard. Travelers should plan on 5-10 minute delays during construction, with the heaviest impacts taking place during the first three weeks of construction. Speed limits will be reduced through the work zone to 20 mph and a 10’ width restriction for commercial vehicles. The project team asks that motorists follow the posted lowered speeds through the project. The project will coordinate with CDOT crews in the event of a major Interstate 70 closure.

Starting April 1 and extending for three weeks, there will be restrictions on travel on Post Boulevard just north of the intersection while deep excavations are completed to install proposed drainage and utilities. Motorists traveling south on Post Boulevard, and continuing east on US 6, will be detoured west through the Avon Road roundabout. Motorists traveling north from US 6 will be detoured west through the Avon Road roundabout. Pedestrians and cyclists are encouraged to avoid this area while work is taking place. CDOT is coordinating with ECO Transit to reduce delays as much as possible. ECO Transit riders should continue to check with ECO Transit for travel information.

After approximately three weeks of work, motorists can anticipate a three-way stop configuration at this intersection. The project team anticipates starting work on the northside of the existing roundabout and the shifting to the southern section of the project area. KSK, LLC is the contractor for this project. The project is anticipated to be complete in December 2024.

Future US 6 Avon Mobility Improvements

CDOT has awarded $3M in grants towards mobility and pedestrian improvements on US 6 in Avon including $2M in a Revitalizing Main Streets grant in 2021 and $1M in a Multi-Modal Transportation and Mitigations Options Fund grant in early 2023. CDOT has been working closely with the Town on the concepts for the improvements along US 6 between Post Blvd. and West Beaver Creek Boulevard since 2019. The most recent design concepts have included a traffic signal at US 6 and Stonebridge Drive, longer raised center landscape medians along US 6 and sidewalks. The goal has been to add infrastructure that would lead to traffic calming to encourage safer and more responsible driving typically at lower speeds. These improvements are located in the area of the recent pedestrian fatality located on US 6 between Stonebridge Drive and Avon Road. The Town of Avon is proceeding in design for these improvements and hopes to start construction as early as 2025. For more information about improvements on US 6 by the Town of Avon, please contact Town of Avon Public Works Director Eva Wilson at 970-748-4118 or [email protected].

Traffic Impacts for the US 6 and Post Boulevard Roundabout Construction

Traffic impacts are anticipated to begin the week of April 1.

  • Travelers should plan for 5-10 minute delays
  • Starting April 1 and continuing through the first three weeks of the project, motorists should plan for short detours through the area
  • Crews will be working Monday-Friday from 7 a.m. to 7 p.m. each day preparing the work zone
Map of US 6 Post Boulevard project and US 6 Avon Mobility Improvements projects
Map of US 6 Post Boulevard project and US 6 Avon Mobility Improvements projects

Project Information

For additional information about this project:

Know Before You Go

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!

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