Ada County Highway District

2020 Downtown Boise Implementation Plan Phase 1

Construction Update July 30, 2021: Contractor has reached substantial completion of project. 

Construction Update July 22, 2021: Milling and paving work is now complete for this project. Landscape repair work is nearly complete. The contractor anticipates the roadway being striped July 25th and 26th. 

Construction Update July 8, 2021: Starting Friday night, July 16th, the intersection of Capitol Boulevard and University Drive will be CLOSED as crews continue work on the Downtown Boise Implementation Plan.

The intersection will close starting around 8 p.m. Friday night and will reopen by 5 a.m. on Monday, July 19th. During this time, the contractor will be milling and repaving the intersection. The intersection closure will allow for the project to be completed significantly earlier and have less overall impact on motorists, cyclists, and pedestrians. Check out the detour route here.

Construction Update June 18, 2021: The majority of the pedestrian ramps have been placed for this project. The contractor has demoed the existing pedestrian ramps on the University and Capital intersection. Pedestrian facilities on University and Capital are expected to open back up on June 19th. Electrical work is nearly complete.

Construction Update June 11, 2021: The contractor continues to demo, form and place miscellaneous pedestrian ramps, valley gutters, and pave approaches. ACHD is currently working with the Boise State traffic department to limit construction disruptions to on campus activities/ events. 

Construction Update June 1, 2021: Work started May 17th. Partial TTC plans have been submitted, reviewed & approved. Saw cutting and misc. demo work continues. Contractor continues to demo, form and place misc. pedestrian ramps. 

General Description:
This spring the Ada County Highway District will begin work on the 2020 Downtown Boise Implementation Plan. This project includes repaving, replacing some curb, gutter, sidewalk and pedestrian ramps, and utility relocation and replacements. Crew will also make accessible pedestrian improvements and add/relocate pedestrian push buttons. Work will be done on 9th Street from Front Street to University Drive. Most road work is anticipated to be done at night. Work will include, but not be limited to, temporary closures, lane and parking restrictions, general construction noise, dust equipment back up alarms and ground vibration.


Time Frame

Start Date:
May 2021
End Date:
Early Fall 2021

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