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 and Trails

Note: Many of these impacts are currently concentrated in Southeast Fort Collins. Travelers in Southeast Fort Collins should avoid using Trilby for east-west travel between College and Timberline and Lemay for north-south travel between Horsetooth and Harmony to avoid closures or delays.

Impact	When	Where	Work Happening	Detour
Full closure of Mason Trail	March 30-April 2	Mason Trail between Drake and Harmony	Trail maintenance	Use McClelland and South Mason Street (see Bike Map for route options)
Southbound closure of College	Saturday, April 4 from 6 a.m. to 5 p.m.	Southbound College between Mulberry and Laurel	Tree trimming above the roadway	Use Mason Street
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
Lane shifts and directional closures of Lemay	Until June 30	Lemay between Horsetooth and Harmony	Water line replacement	Use College or Timberline
Full closure of Trilby (at Fossil Creek)	Until July 31	Trilby at Fossil Creek (between Lemay and Timberline)	Trilby Culvert Replacement at Fossil Creek	Use Harmony or Carpenter (State Highway 392)
Full closure of Trilby (at College)	Until completion of the project	Trilby at College Avenue	College and Trilby Intersection Improvements	Use Shields or Lemay, then Harmony
Lane shifts and closures on Harmony	Until completion of the project	Harmony between McMurry and Timberline	Construction of the Power Trail Harmony Crossing	None

Collector Streets

Impact	When	Where	Work Happening	Detour
Full closure of Mountain Avenue	Until April 22	Mountain Avenue at Jackson Avenue	Oak Street Stormwater Improvements	Use Laporte

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

Recent News

Any recent construction news will appear below.