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
Fourmile Canyon Drive Reconstruction – Expect delays
- Roadwork anticipated until mid-July
- Work hours = 8 a.m. to 5:30 p.m., Monday through Friday
- Drivers can expect 15-minute delays
- NO BIKES during working hours until Friday, July 3 due to a high volume of large trucks and heavy equipment using narrow, winding road
- Project anticipated through early July
- Project website
South Boulder Road Reconstruction
- Concrete panel replacement on South Boulder Road (SBR) between Cherryvale Road and McCaslin Blvd.
- Expect Delays – lane closures and shifts
- 8 a.m. to 4:30 p.m. – Monday through Friday
- Project anticipated to last through July
- Project website
Longmont East County Line Construction Project
- City of Longmont reconstructing East County Line Road between 9th and 17th avenues
- July 2020 to April 2021
- Expect travel delays – Alternate Routes Advised
- Project Website
Olde Stage Road Reconstruction begins May 2020
- Traffic signals in place 24/7 as road reduced to one lane in multiple locations to build retaining walls and replace culvert
- Expect extended delays when equipment and supplies are being moved in the available travel lane
- Working hours are 8 a.m. to 4:30 p.m., Monday through Friday, through August 2020
- Information – Project Website, or contact Andrew Barth – email – 303-441-1032
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
OLDE STAGE ROAD – Gravel road surface in multiple locations – Traffic signals in place
- Use caution when riding along Olde Stage Road as the road has been reduced to gravel in places
- Two traffic signals in use. DO NOT RUN THE RED LIGHT
- Expect work to last through August
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
- 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
- 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