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
Lookout Road Paving starts August 17
- Paving on Lookout Road between 75th and 79th streets
- Aug. 17 to Aug. 24
- 7 a.m. to 4 p.m., weekdays
- Road will be single-lane – Flaggers will move traffic safely around construction
- Cyclists will merge with traffic
South Boulder Road Emergency Repairs – Aug. 17 to Aug. 28
- Emergency concrete panel replacement on South Boulder Road (SBR) between 55th Street and Cherryvale Road.
- NO LEFT-TURNS ONTO CHERRYVALE FROM SOUTH BOULDER ROAD 24/7 until work is done
- Expect Delays – lane closures and shifts on South Boulder Road
- Cyclists will need to merge with motor vehicles in the travel lane
- 8 a.m. to 4:30 p.m. – Monday through Friday
- Project anticipated to last through August
- 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 reduced to a single lane in two locations
- Olde Stage Road construction requiring flaggers during daytime, weekday working hours
- Expect work to last through August
South Boulder Road Emergency Repairs – Aug. 17 to Aug. 28
- Emergency concrete panel replacement on South Boulder Road (SBR) between 55th Street and Cherryvale Road.
- NO LEFT-TURNS ONTO CHERRYVALE FROM SOUTH BOULDER ROAD 24/7 until work is done
- Expect Delays – lane closures and shifts on South Boulder Road
- Cyclists will need to merge with motor vehicles in the travel lane
- 8 a.m. to 4:30 p.m. – Monday through Friday
- Project anticipated to last through August
- Project website
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