Boulder County Public Works manages construction projects in unincorporated Boulder County for roads, bridges, multi-use pathways, and drainages.
Construction-Related Travel Impacts
63rd Street OPEN Between Jay and Twin Lakes Roads – Expect daytime, weekday lane closures until the project is complete in January.
The Road Maintenance Division is replacing a deteriorating culvert at the Boulder Lefthand Ditch. The full closure of the road has ben lifted, but crews will need to use daytime, weekday single-lane closures to finish the project. 63rd Street is also closed south of Jay Road 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
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- 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