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.

  • Lee Hill Drive Resurfacing and Guardrail Replacement
    • Work underway
    • Project anticipated to last into October 2019
    • Resurfacing of Lee Hill between Olde Stage Road and Deer Trail Road
    • Guardrail replacement along the corridor
    • Expect single lane closures (some in place 24/7) and travel delays up to 15-minutes
      • A traffic signal will be set up when lane closures are required over night
        • Signal location will be near the intersection with Olde Stage Road
    • Bicycling restricted between Olde Stage and Deer Trail – daytime/weekdays – Starting Monday, June 24 (more info below)
    • Project Contact – Andrew Barth – 303-441-1032
  • 95th Street (Lookout to Plateau) Reconstruction
    • Daytime, weekday lane reductions and shifts – Expect longer delays (15 to 20 minutes) controlled by flagging personnel
    • Alternate routes advised
    • Bicycling discouraged during working hours
    • Project Contact – Andrew Barth – 303-441-1032
  • Utica Street in Ward (top of Lefthand Canyon Drive) reduced to one-lane
    • Retaining wall/roadway reconstruction project requires single-lane reduction, 8 a.m. to 4:30 p.m. weekdays
    • Project Contact – Andrew Barth – 303-441-1032
  • 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/at:
    • NON-RESIDENT CYCLING RESTRICTIONS IN FOURMILE CANYON DURING WORKING HOURS – SEE BELOW
    • Project Contact – Andrew Barth – 303-441-1032

Cycling – Projects impacting cycling

  • Lee Hill Drive Repaving – DAYTIME-WEEKDAY CYCLING RESTRICTIONS START MONDAY, JUNE 24, 2019
    • No bikes – 7 a.m. to 5 p.m. – Monday through Friday
    • July 4 and 5 excepted
    • Project Contact – Andrew Barth – 303-441-1032
  • Fourmile Canyon Drive/Gold Run Road DAYTIME-WEEKDAY CYCLING NON-RESIDENT RESTRICTIONS (updated May 16, 2019)
    • No recreational/non-resident cycling in Fourmile Canyon
      • 8 a.m. to 4:30 p.m. – Monday through Friday
    • Cycling permitted on major holidays
      • Independence Day – Thursday, July 4
      • Labor Day – Monday, Sept. 2
    • Residential cycling exception – Residents must contact Boulder County Transportation for pass
      • Residents can contact Andrew Barth (info below) to obtain a residential cycling pass
    • 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

Contact Us

Transportation Department

303-441-3900
Submit a question

Location

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