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Horsetooth and Timberline Intersection Improvement

Project Goals

In 2011, City Engineering completed an Arterial Intersection Prioritization Study which listed the intersection of Horsetooth and Timberline Roads as the top-ranked location for needed safety and operational improvements. The reasons for the poor ranking include: higher than average vehicle accident rates, significant congestion, and intersection delay for all transportation types. With this project, our goals are to:

  • improve safety and overall efficiency for vehicles, bicycles and pedestrians
  • reduce the accident rate by adding four new turn lanes
  • improve air quality by reducing vehicle wait times
  • include multi-modal facility improvements to create a safer and more efficient intersection for all users


Not only is the Horsetooth and Timberline intersection being improved for vehicles and bikes, it will also be enhanced with Art in Public Places streetscaping and landscaping.



A majority of the funding will come from the voter approved Building on Basics (BOB) quarter-cent sales tax. Additionally, the City secured a federal grant to pay for the construction of one of the turn lanes.

Construction Timeline

Mid – May Remove existing sidewalks and grass on far lanes, relocate and lower existing utilities Impact: Lane shifts and closures

June – Aug Pavement removal, new base, concrete for sidewalks and curbs, new turn lanes on Horsetooth, outside lane construction on Timberline Impact: Closures of eastbound and westbound Horsetooth, one lane of traffic in each direction along Timberline through August 15.

August 16 Horsetooth Road will re-open and the intersection will be fully open to all through traffic

August 16 – September Median construction along Timberline Road, concrete pavement for turn lanes on Timberline, asphalt milling and paving Impact: Lane shifts and single lane closures on Horsetooth and Timberline

Oct – November Final paving, signing and striping, streetscaping and landscaping Impact: Lane shifts and single lane closures on Horsetooth and Timberline


Questions? Contact the City of Fort Collins Engineering Project Manager:
Dan Woodward, Civil Engineer | 970-416-4203 |

View the real-time City construction project map.