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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, and
  • include multi-modal facility improvements to create a safer and more efficient intersection for all users.

Proposed Improvements (Final design)

The design centers around saving a majority of the existing concrete intersection, shifting median alignments, and adding porkchop islands at right turns for pedestrian refuge. Facilities will also be added for an east-bound Horsetooth bike lane, west of Timberline. The Art in Public Places theme will be carried throughout the project footprint, and highlighted with special features at the intersection corners. Additionally, we are designing some progressive stormwater quality treatment options.


Fact Sheet & Map


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.


  • Final Design March-June 2014
  • Right-of-way Acquisition Phase March-November 2014
  • Construction Summer 2015

Public Outreach

A detailed communication plan will be developed and implemented with the preliminary design phase through construction. The communication plan will highlight milestone dates, news releases, social media and specific outreach methods for residents and the travelling public. Check back here often for exact construction dates. Additionally, the project construction information will be available on our interactive trip planner, FC Trip.


Tim Kemp | Capital Projects Engineer | 970-416-2719 |