Construction and Traffic Impacts

Construction and car traffic on College Avenue

We’re always working to improve Fort Collins. This webpage shows current and upcoming major traffic impacts related to construction.

This webpage doesn't include all unplanned or emergency traffic impacts or minor traffic impacts. To view all planned traffic impacts on a map, visit FCTrip.

Major Roads

Impact  When Where Work Happening Detour
Full Closure of Mountain Vista Until April 30 Mountain Vista between Timberline and Giddings Replacement of concrete culvert beneath the roadway Use Turnberry, Richard's Lake and Giddings
Full Closure of Trilby Until completion of project in Spring 2026 Trilby is fully closed at College College and Trilby Intersection Improvements Use Shields or Lemay, then Harmony
Full Closure of Fossil Creek Trail Until March 31 Fossil Creek Trail between Trilby and Carpenter (State Highway 392) Rehabilitation of Stanton Creek Use sidewalks and paths along Trilby, Lemay and Carpenter
Lane closures on Harmony Occasionally in winter 2025-2026 Harmony between McMurry and Timberline Construction of the Power Trail Harmony Crossing None

Collector Streets

When Where Impact Work Happening Detour
No current impacts.
        

Neighborhood Streets

For smaller, localized impacts to neighborhood streets, view our interactive map of active work and closures in FCTrip:

FCTrip 

Projects Under Construction

See a list of large projects under construction:

Public Improvement Projects 

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