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Traffic Advisory — East Colfax Avenue pipe replacement begins with weekend closure of Broadway intersection

DENVER — June 2, 2023 — Starting early Saturday, June 3, Denver Water will kick off a project to replace nearly 5 miles of aging pipe along East Colfax Avenue. The project will begin in the intersection of East Colfax Avenue and Broadway, requiring a full closure of the intersection until 7 p.m. Saturday.

Additional work may be required Sunday, June 4, from 7 a.m. to 7 p.m.

A signed detour route will be in place throughout the weekend.

Then, on Monday, June 5, crews will begin work on East Colfax Avenue between Broadway and Yosemite Street, working in two- to three-block segments at a time. The entire project should be complete by the end of 2024.

The first segment, from Broadway to Sherman Street, will be completed at night, with lane closures in each direction on East Colfax Avenue from 7 p.m. to 7 a.m. Work will then take place during daytime hours for the remainder of the project. Local access to residences and businesses will be maintained throughout the project.

Work beyond this weekend will occur Monday through Friday, although some weekend work may be required. Construction schedules are also subject to change due to weather and may be altered to accommodate major events in Denver.

Commuters should expect delays in this area. For more information or to sign up to receive updates, we encourage folks to visit

Denver Water and RTD are coordinating to minimize impacts to bus routes throughout the project. For more information about bus routes, visit RTD Service Alerts.

The pipe replacement work is taking place in advance of the upcoming East Colfax Bus Rapid Transit project, which is being led by the Denver Department of Transportation and Infrastructure, in partnership with RTD, Colorado Department of Transportation, the Federal Transit Authority and the City of Aurora.


Denver Water proudly serves high-quality water and promotes its efficient use to 1.5 million people in the city of Denver and many surrounding suburbs. Established in 1918, the utility is a public agency funded by water rates, new tap fees and the sale of hydropower, not taxes. It is Colorado’s oldest and largest water utility. Subscribe to TAP to hydrate your mind, and follow us on Facebook, Twitter and Instagram.