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City Wants Traffic Signals 'Re-timed' in Downtown Boise Core

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ACHD's eye in the sky traffic headquarters. - JESSICA MURRI
  • Jessica Murri
  • ACHD's eye in the sky traffic headquarters.


It's not as simple as pressing a button to sync traffic signals in, near or around Downtown Boise. There are approximately 425 traffic signals in Ada County, all of which are controlled by the Ada County Highway District the entity responsible for all curb-to-curb management. As part of the district's Intelligent Transportation Systems, ACHD now uses something called "Adaptive Signal Control Technology," designed to monitor traffic flow along major roads "and adjust the amount of green time to best serve the demand."

As anyone who has recently traveled through Boise will attest, there have been multiple changes to how motorists move through the downtown core. The Downtown Boise Implement Plan has now altered several one-way streets into two-ways and introduced several bike lanes. The next big change is slated for later this spring when Jefferson Street becomes a two-way. Additionally, cycling advocates are pushing for the introduction of new protected bike lanes on Main and Idaho streets,which will change the pace of downtown commuting even further.

With all of this in mind, City of Boise officials are looking to ACHD to re-sync downtown Boise traffic signals sooner rather than later. During a Tuesday, March 29 workshop, Boise City Council will be asked to sign off on the city's annual requests to ACHD, which will include "signal re-timing take place in 2017 to match the bike lane implementation."