Closures & Construction

Construction-Related Travel Impacts

ANNOUNCEMENT: Annual chip seal program starts July 15th. Expect delays through August. See more information below.

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.

Travel Impacts

County Road Projects

Annual Chip Seal Program starts July 15

  • Delays expected
  • Alternative routes advised
  • Program improves 15 Boulder County roads and lasts through mid-August
  • See project website for more information including impacted roads, map, and schedule.

Lee Hill Drive Delays and Closures

  • Through July 2019 – expect single lane closures and travel delays
  • Beginning August 2019 – daytime/weekday ROAD CLOSURES of Lee Hill Drive
  • Bicycling restriction in effect
  • See project website for map and more information

95th Street Delays and Lane Closure

  • Daytime, weekday lane reductions and shifts controlled by flagging personnel
  • Alternate routes advised
  • Bicycling discouraged during working hours
  • See project website for more information

Fourmile Canyon and Gold Run Road Delays

  • 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 cycling impacts tab)

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

Thank you for following restrictions! We apologize for any inconvenience.

For more information about Boulder County road travel impacts, please contact – Andrew Barth – 303-441-1032

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

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
  • Restrictions in place due to increased volume of large truck traffic associated with three construction projects

Thank you for following restrictions! We apologize for any inconvenience.

Project Contact – Andrew Barth – 303-441-1032

Non-County Projects

Related Links

Contact Us

Transportation Department

303-441-3900
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2525 13th Street
Boulder, CO 80304

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P.O. Box 471
Boulder, CO 80306