Boulder County Public Works manages construction projects in unincorporated Boulder County for roads, bridges, multi-use pathways, and drainages.
Construction-Related Travel Impacts
City of Boulder Waterline Replacement Project along 63rd Street
63rd Street is closed between Valmont and Jay roads for the City of Boulder’s waterline replacement project.
CDOT CO 119/Diagonal Highway Safety, Mobility, and Bikeway Construction – UNDERWAY – Expect significant travel impacts
CDOT is currently working on this project, which will require significant travel impacts on CO 119/Diagonal Highway between Boulder and Longmont. This project is anticipated to be completed in the Spring of 2027.
Project Hotline – 720-378-8083
Project Email – co119safetyandmobility@gmail.com
Visit CDOT’s CO 119 project Webpage to learn more and to subscribe to the project email list
Helpful Links
- Special Event Permit Requests – Pending and Approved taking place throughout Boulder County
- Utilize CDOT’s COtrip website to see real time traffic condition updates on state highways
- Learn about road closures in the City of Boulder
- City of Boulder Live Traffic Cameras
- Learn about road closures in Longmont
- Learn about road closures in Lafayette
- Learn about road closures in Louisville
- Learn about road closures in Erie