Boulder County Public Works 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
US 287 & Isabelle Road Intersection Safety Improvements Project
- Project Hours are 7 a.m. to 7 p.m., Monday through Saturday
- Expect single-lane closures on Isabelle Road during working hours
- Impacts to US 287
- Daytime, weekday lane closures and traffic shifts on US 287
- Expect delays – Alternate routes advised
- Project anticipated to last until August 2021
- Project Website
Chip seal operations have been postponed until next summer
- The following roads will be chip sealed in 2022
- Jay Road from 63rd to 75th street
- Lookout Road from 75th to 115th street
- Somerset Drive and Longview Road in Niwot
- 73rd/75th Street from Niwot Road to CO 66
Learn more about the county’s chip seal program.
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
Thank you for following restrictions! We apologize for any inconvenience.
Project Contact – Andrew Barth – 303-441-1032
Non-County Projects
- McCaslin Boulevard CLOSED between Coalton Road and CO 128 Sept. 20 to Oct. 8, 2021
- Full roadway closure – cars and bikes
- Town of Superior working on resurfacing project – project notice
- 303-449-3675 or alexa@superiorcolorado.gov
- CO 7 – Lyons to Raymond/Riverside Flood Recovery Reconstruction Project – CDOT August 2021 to December 2022
- Expect significant travel delays and roadway closures starting in Sept. 2021
- Project Webpage
- Project hotline = 720-912-8870
- Project email = CO7Info@kiewit.com
- Text “CO7UPDATES” to 21000 to receive project text alerts
- Special Event Permit Requests – Pending & Approved taking place throughout Boulder County
- Utilize CDOT’s COtrip.org website to see real time traffic condition updates on state highways
- 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