Construction to start January 2025

The Ada County Highway District (ACHD) will be reconstructing the State Street and Pierce Park intersection starting at the beginning of January 2025*. Work is expected to be complete in Spring 2026.

What to Expect

  • State Street Traffic: Two lanes in each direction will remain open; Left turns within the construction zone won’t be allowed to keep things moving smoothly; State Street will have daytime closures, but only outside the busiest commute times.
  • Pierce Park Lane Restrictions: At the State Street intersection some lanes will be restricted.
  • Pedestrians and Bike Routes: Detours will be in place to keep pedestrians and bicyclists moving safely.
  • Night work and Construction Activity: Some night work is to be expected for safety. Expect general construction noise, including equipment backup alarms, dust and ground vibration.
  • Business Access: Access to businesses will stay open, and the contractor will work with property and business owners to keep entrances clear or provide alternate accesses.


Construction Open House

  • December 17, 2024 | 6-8 p.m.
  • Cynthia Mann Elementary | 5401 W. Castle Dr., Boise


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