BoCo Alert System

All Boulder County non-emergency services are closed today, Feb. 19, for the Presidents Day holiday.

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.

  • 95th Street utility relocation and installation
    • Xcel Energy working on infrastructure on 95th Street near Valmont and Isabelle roads
    • Expect intermittent lane closures and shifts so crews can safely complete the work
    • Through March 2018
    • Project Contact – Andrew Barth – 303-441-1032
  • Hygiene Road Delays due to St. Vrain Creek Restoration Project – Nov. 13 through December 2017
    • Heavy truck traffic on Hygiene Road coming from US 36 and 75th Street
    • Monday through Friday – 8:30 a.m. to 4:30 p.m.
    • Cyclists are encouraged to use alternate routes during weekday hauling hours
    • Project Contact – Obadiah Broughton – 720-864-6530
  • Brainard Road Reconstruction – FULL CLOSURES March 1 through June 28, 2018
    • Central Federal Lands Highways Division rehabilitating the road to Brainard Lake Recreation Area
      • March 1, 2018 through June 28, 2018
        • FULL CLOSURE of BRAINARD ROAD at Peak-to-Peak/SH 72
        • Necessary to complete final phases of work in a safe project area
      • Project Contact – Andrew Barth – 303-441-1032
  • Fourmile Canyon Flood Recovery Work – Expect delays on Fourmile Canyon Drive and Gold Run Road
  • 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 much 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
  • East County Line Road single-lane closures at Hwy 52
    • Expect single-lane closures on East County Line Road at Hwy 52
    • Lane closures set up on an as-needed basis while working on the bridge over east Boulder Creek
    • 8:30 a.m. to 4 p.m. – Monday through Friday
    • Crews working to repair damages sustained during the Sept. 2013 flood event
    • Project Contact – Andrew Barth – 303-441-1032

Cycling – Projects impacting cycling

View the Cycling Closure Map .

Other Non-County Construction and Events resulting in travel restrictions

Contact Us

Transportation Department

Submit a question


2525 13th Street
Boulder, CO 80304

Map & Directions

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

Mailing Address

P.O. Box 471
Boulder, CO 80306