BoCo Alert System

Level 2 Fire Restrictions in effect for western Boulder County (more). See flyer and map for details.

Closures & Construction

Construction-Related Travel Impacts

Boulder County Transportation manages the construction projects for roads, bridges, pathways, drainage improvements and trails. The projects listed on this page are related to flood recovery and regularly scheduled roadway maintenance.

County Road Projects with Travel Impacts

The following county roadway projects result in travel impacts to both motorists and cyclists. All dates and times listed are weather dependent. Please visit this page regularly for updates on the projects listed and for information on new projects. View the Roadway Closure Map to see these projects and where roads/bridges remain closed due to the 2013 flood.

  • Brainard Road Reconstruction – ROAD REOPENS AT 6 a.m. on FRIDAY, JUNE 29, 2018
  • Fourmile Canyon Flood Recovery Work – Expect delays on Fourmile Canyon Drive and Gold Run Road
    • Normal Hours – 8 a.m. to 4:30 p.m. – Monday through Friday
    • Delays of up-to 15-minutes in:
    • Project Contact – Andrew Barth – 303-441-1032
  • James Canyon Drive Flood Recovery Permanent Repairs –
    • Expect travel delays of up-to 45-minutes between Lefthand Canyon and Jamestown
      • Actual delays will likely be shorter (10 to 15 minutes)
    • Single Lane Closures – Multiple locations – 24 hours a day/7 days a week
    • Road will remain open to cyclists
      • Expect heavy truck traffic and rough travel conditions in short stretches
    • December 2018 estimated completion date – weather permitting
    • Project Contact – Andrew Barth – 303-441-1032
  • Wagonwheel Gap Road Flood Recovery Project – Lane closures & Travel Delays
    • Expect single-lane closures and travel delays ranging up to 15-minutes
    • Longer delays may be necessary at times – visit the project website for detailed information
    • Bow Mountain Drive closed at Wagonwheel Gap Road while a new bridge is constructed
    • Project Contact – Andrew Barth – 303-441-1032

Cycling – Projects impacting cycling

    • No recreational cycling in Fourmile Canyon
      • 8 a.m. to 4:30 p.m. – Monday through Friday
      • CYCLING WILL BE ALLOWED ON JULY 4 & SEPT. 3 as no construction will take place on these holidays.
    • Residential cycling exception – Must carry valid ID proving residency
    • SEE MAP
    • Restrictions in place due to increased volume of large truck traffic associated with three construction projects
      • Thank you for following restrictions
    • Project Contact – Andrew Barth – 303-441-1032

View the Cycling Closure Map .

Other Non-County Construction and Events resulting in travel restrictions

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Transportation Department

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2525 13th Street
Boulder, CO 80304

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Hours: 8 a.m. - 4:30 p.m. M-F

Mailing Address

P.O. Box 471
Boulder, CO 80306