Denver

Fort Collins Gears Up for Oak Street Water System Improvement Project: Road Closures Begin August 25

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Published on August 25, 2025
Fort Collins Gears Up for Oak Street Water System Improvement Project: Road Closures Begin August 25Source: Zac Gudakov on Unsplash

Residents and commuters in Fort Collins will need to chart a new course come next week. The city's Oak Street Water System Improvement Project is about to enter its final stretch of construction starting the week of August 25. This crucial work involves the replacement of antiquated water mains to enhance the area's system reliability, increase fire flow capacity, and ensure the continued protection of water quality.

The project dictates a full road closure on Mountain Avenue, stretching from Scott to McKinley Avenues, that will put a temporary halt on all northbound and southbound traffic. According to the City of Fort Collins, the construction and consequent road closure are expected to continue until the end of September, assuming favorable weather conditions.

Construction crews will be on site from 7:00 a.m. to 6:00 p.m., Monday through Friday, signaling a pronounced uptick in local noise and the flurry of day-to-day operations. The area affected, as specified by Fort Collins Utilities, will include the section from the junction of Jackson and Mountain Avenues extending eastward to Pearl Street. While vehicular access to residences will be maintained throughout the period of construction, moments of limitation are foreseeable. However, pedestrians will retain the use sidewalks around the construction zone, mitigating at least part of the disruption to foot traffic.

Denver-Transportation & Infrastructure