3rd Street Streetscapes
and Mobility Improvements

Construction Update: September 18, 2025

Construction on the 3rd Street Streetscapes and Mobility Improvements project is moving north and is now focused between Idaho Street and Jefferson Street. Current work includes curb, gutter, asphalt, sidewalk, and traffic signal upgrades.

We’re pleased to share that 3rd Street between Grove Street and Idaho Street is now open, along with Grove Street and Main Street.

Upcoming traffic and pedestrian changes (starting September 22):

  • 3rd Street will be closed between Idaho Street and Jefferson Street
  • Vehicle access to the Make-a-Wish office, Le Soleil French School for Children, Nevin, Benjamin & McKay LLP, and Keystone Center for Geriatrics will remain available from Bannock Street
  • Sidewalks along 3rd Street will remain open
  • Crosswalks at Jefferson Street will be closed to pedestrians

Please be aware that traffic and pedestrian patterns will continue to shift as construction progresses. Follow posted signage and detour routes for safe access through the area.

 

About the Project:

3rd Street is a key north/south route for those traveling in and through downtown. This project will make biking safer by improving shared bike lanes and updating pavement markings and signage where necessary.  

 On Main Street, between 2nd and 4th Streets, and south on 3rd Street to Front Street, the roads will be narrowed to better balance travel lanes and increase pedestrian safety by adding a landscape barrier. 

 To help pedestrians of all abilities, curb extensions (bulbouts) will shorten crossing distances at intersections. The project will also include new historic-style streetlights, ADA-accessible ramps, new trees, and other features to ensure a safer and better experience for everyone. 

This project will complete improvements along Grove Street and connect residents to the new Boise City Canal Multi-Use Pathway.  

 

Project Timeline

  • March 2024 – Design Review Approval 
  • July 2024 – Construction Drawings Complete 
  • Fall 2024 – Permitting and Bidding 
  • November 2024 – August 2025 – Construction 
  • September 2025 Project Completion 

 

Contact 

Toby Norton, Project Manager, is overseeing this project.