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.
Construction-Related Travel Impacts
Use the Road Service Request Form to let us know about an issue on area roads.
Travel Impacts
County Road Projects
Williams Fork Trail Multi-Use Path Enhancements – Spine Road to Idylwild Court
- Twin Lakes Road will be SOUTHBOUND ONLY (ONE-WAY) at Brandon Creek Drive starting Wednesday, Feb. 19
- Road is too tight to complete concrete roadway panel replacement without one-way configuration
- This alignment will be in place for two weeks (24 hours a day, seven days a week)
- Detour signage will be posted.
- Work hours = 8 a.m. to 4:30 p.m. — January through May
- Project website
N. 61st/N. 63rd Street CLOSED between Hygiene Road and CO 66
Starting Monday, Jan. 20, N. 61st St. and N. 63rd St. between Hwy 66 and Hygiene Rd. will be closed to through traffic. Specifically, the closure will be just south of the bridge over St. Vrain Creek on 61st St. All residents on 61st and 63rd streets will have access to their driveways and properties. The closure will be in place for approximately two months. The work is being completed by Boulder County Parks and Open Space. Project website.
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
Fourmile Canyon Drive/Gold Run Road
DAYTIME-WEEKDAY CYCLING NON-RESIDENT RESTRICTIONS
- CYCLING RESTRICTIONS LIFTED
- 4:30 p.m. on Monday, Dec. 23, 2019 to 8 a.m. on Thursday, Jan. 2, 2020
- Regular Restrictions – 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
- Foothills Parkway/CO 157 – Lane shifts and closures due to pedestrian underpass construction by the City of Boulder
- Project goal is to build a new multimodal underpass in the same location
- Expect lane shifts on Foothills throughout construction
- Anticipated end date = August 2020
- Contact – Noreen Walsh – 303-441-4301 or walshn@bouldercolorado.gov
- Valmont Road lane reductions for Xcel gas line project
- Xcel Energy contractors replacing a gas line just east of 75th Street
- Lane closures start Jan. 13 – expect delays and flaggers controlling traffic
- 9:30 a.m. to 3 p.m., Monday through Frida
- SH 119/Boulder Canyon Drive Reconstruction Project – CDOT April 2019 to February 2021
- Expect significant travel delays and roadway closures
- Project hotline = 720-500-9912
- Project email = CDOTCO119@gmail.com
- Text “CO119” to 21000 to receive project alerts
- Northern Water – Southern Water Supply Project
- Northern Water is constructing a new pipeline between Carter Lake in Larimer County and Boulder Reservoir in Boulder County
- The project will also require short travel delays on Boulder County Roads including (see map):
- N. 75th Street
- N. 73rd Street
- N. 63rd Street
- Hygiene Road
- Niwot Road
- Project Website
- Contact Information
- Special Event Permit Requests – Pending & Approved taking place throughout Boulder County
- Learn about road closures in the City of Boulder at www.BoulderConeZones.net.
- Learn about road closures in Longmont
- Learn about road closures in Lafayette
- Learn about road closures in Louisville
- Learn about road closures in Erie