* 28th Street improvements -- Pearl to Iris: This project will improve multimodal travel along 28th Street from Pearl to Iris. Northbound 28th and Valmont Road RTD Stop No. 17992 serving 205 and BOLT routes will be temporarily relocated to just south of the Valmont intersection until Dec. 31.
* 19th Street and Fourmile Canyon Creek Underpass: Crews will begin replacing the bridge over Fourmile Canyon Creek and construct a bike/pedestrian underpass. Northbound 19th Street will be closed to all travel between Sumac and Upland. Vehicle/RTD service detour via Quince. Work is anticipated to end April 1.
* 63rd waterline replacement: 63rd, Andrus and 62nd will be closed from Jay to Valmont for through traffic. Business and residential access will be maintained. Work is expected to be completed on April 1.
* Milling and paving on Colo. 7: Eastbound and westbound alternating double-lane closures between 28th Street and Cherryvale Road will occur from 7 a.m.-midnight Monday-Friday, with expected project completion Dec. 15.
* City of Boulder 63rd Street waterline replacement: Boulder is conducting a waterline replacement project that will have traffic impacts through February. Throughout the project, 63rd Street / Andrus Road / 62nd Street will be closed between Jay and Valmont and open to local and business access only. Both lanes of traffic on 63rd Street between Gunbarrel Avenue to the 63rd Street railroad crossing will shift to the east side of 63rd Street. The work will require a full closure of 63rd Street between Jay Road and Twin Lakes Road.
* Colo. 119 safety, mobility and bikeway construction: CDOT work on Colo. 119 / Diagonal Highway. This project is anticipated to be completed in spring 2027.
* Carbide Street: Carbide Street will be fully closed between Silver Birch Blvd. and Eagle Blvd. This closure supports utility work for the Town's new Engineering & Public Works Facility, including sewer line connection and extension and water line installation into the job site. Work is expected through early 2026.
* Prince Lake Dam rehabilitation: Sema is working on rehabilitation work on the Prince Lake Dam at 111th Street and Flatiron Meadows Boulevard. The project will continue through March 2026 and includes rebuilding a section of the dam and installing drainage infrastructure along 111th Street. Work trucks and equipment will use 111th Street for site access, and while no lane closures are planned, drivers may experience brief delays when trucks enter or exit the site.
* Erie Parkway and Glacier Drive traffic signal project: Lane closures on Erie Parkway and Glacier Drive for traffic signal installation through December on weekdays from 9 a.m. to 4 p.m.