Boulder County Public Works manages construction projects in unincorporated Boulder County for roads, bridges, multi-use pathways, and drainages.
Construction-Related Travel Impacts
Baseline Road CLOSED at Dry Creek Starting March 11
Baseline Road will be closed between Cherryvale Road and North 75th Street starting at 7 a.m. on Wednesday, March 11 for a utility relocation project taking place near the Dry Creek Trailhead. Detours will be establish. The closure will be in place for approximately two weeks, weather permitting. Dry Creek Trailhead will also be closed for this work. This project is part of a larger Public Works bridge replacement effort that will start later this year and will also require a closure of Baseline Road. Learn more about the Baseline Bridge Replacement project.
N. 119th Closed For Culvert Replacement – March 2 through April 2
North 119th Street will be closed to all travelers in both directions between Oxford and Prospect roads starting at 7 a.m. on Monday, March 2 so that Road Maintenance can replace a large culvert structure. Construction and the road closure is anticipated to last through 4 p.m. on Friday, April 2. Detours will be in place.
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