Boulder County Public Works manages construction projects in unincorporated Boulder County for roads, bridges, multi-use pathways, and drainages.
Construction-Related Travel Impacts
Use the Road Service Request Form to let us know about an issue on area roads.
Travel Impacts
Ogallala Road Repairs Between CO 119 and North 83rd Street – Ogallala CLOSED July 14 through July 17
Road Maintenance will be repairing Ogallala Road on both sides of the BNSF train tracks just east of CO 119. The work will require a full roadway closure of Ogallala Road between CO 119 and North 83rd Street from 7 a.m. on Monday, July 14 through 4 p.m. on Thursday, July 17. This anticipated timeline is weather dependent.
Sugarloaf Road Culvert Replacement at Betasso Road Starts in July – Expect travel delays
Multiple culvert replacements on Sugarloaf Road at Betasso Road will require lane closures and traffic shifts, which will result in travel delays of up-to 15-minutes. Work is anticipated to last through October 2025.
City of Boulder 63rd Street Waterline Replacement – FULL CLOSURE OF 63rd/61st Street between Jay Road and Andrus Road starts July 14 and lasts through February 2026
The City of Boulder is conducting a waterline replacement project that will have several traffic impacts through 2025 and into 2026. Please view the City of Boulder’s project webpage for specific information.
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.org 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
For more information about Boulder County road travel impacts, please contact – Andrew Barth at abarth@bouldercounty.gov or call 303-441-1032
View the Roadway Travel Impacts Map to see locations of the projects listed above.