Ada County Highway District

Coston Street Sidewalk Project


The Ada County Highway District (ACHD) is designing sidewalks for Coston Street between Warm Springs Avenue and Franklin Street. The purpose of this project is to improve safety and increase connectivity for pedestrians.

Project Description

  • Construct curb, gutter, and a 5-foot attached sidewalk on both sides of Coston Street from Warm Springs Avenue to Franklin Street.
  • As part of this project, ACHD will also be rebuilding Coston Street from Warm Springs Avenue to Dumars Street.
  • Add and/or improve pedestrian ramps.
  • Add bulb-outs on Hillview Drive at Coston Street.
  • Most existing sidewalk will be retained.

Learn more!

While your comments are always welcome, this survey closed on July 26, 2022. View the public comment summary and infographic below!

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