Closures and Construction

Construction-Related Travel Impacts

Boulder County Public Works manages construction projects in unincorporated Boulder County for roads, bridges, multi-use pathways, and drainages.

Travel Impacts

95th Street (Valmont to Lookout Road) Reconstruction and Flood Safety Improvements – UNDERWAY – Road now paved and open

95th Street between Valmont and Lookout roads will see significant construction activity starting in April 2024 and lasting into early 2025. All road closures have been lifted and the road is fully paved. Specific information is available on the project webpage. In addition, a new traffic signal and intersection configuration will be created at Lookout Road and 95th Street. This project will be undertaken at the same time as phase one of the 95th Reconstruction Project. Expect daytime, weekday lane shifts with short travel delays at the intersection.

City of Boulder 63rd Street Waterline Replacement – FULL CLOSURE OF 63rd and Jay Road Intersection and 63rd Street between Jay and Twin Lakes

The City of Boulder is conducting a waterline replacement project that will have several traffic impacts in late 2024 and 2025. Please view their webpage for specific information.

CDOT CO 119/Diagonal Highway Safety, Mobility, & 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 the project Webpage to learn more and to subscribe to the project email list

HELPFUL LINKS

For more information about Boulder County road travel impacts, please contact – Andrew Barth – 303-441-1032

Roadway Impacts Map

Contact Us

Public Works Department (formerly Transportation)

303-441-3900
Submit a request
tdadmin@bouldercounty.gov

Location

2525 13th St.
Boulder, CO 80304

Map and Directions

Hours: Building Open 8 a.m. to 4:30 p.m.
Tuesdays and Thursdays

Mailing Address

P.O. Box 471
Boulder, CO 80306