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The Ada County Highway District (ACHD) is designing improvements for Ustick Road, McDermott Road to Black Cat Road and the Ustick Road and McDermott Road intersection. The purpose of this project is to improve traffic flow and increase safety for all users.
Ustick Road, McDermott to Black Cat
Widen Ustick Road to two lanes in each direction, with a center turn lane and median islands where the center turn lane is not needed for access
Construct curb, gutter, and a detached 10-foot-wide multi-use pathway with buffer on both sides of the roadway for pedestrians and bicyclists
Install medians islands to calm traffic and provide access control where necessary
Reduce speed limit to 35 mph
Add stormwater basins to collect, treat, and infiltrate stormwater runoff
Ustick Road and McDermott Road
In cooperation with the Idaho Transportation Department (ITD) State Highway 16 Improvements Project, ACHD will expand and signalize the Ustick and McDermott Road intersection to include:
Additional through lanes
Dedicated right and left turn lanes on Ustick Road and dedicated left turn lanes on McDermott Road
Curb, gutter, and multi-use pathways
McDermott Road has been realigned by ITD as part of their SH-16 extension project.
Ustick Road and Owyhee Storm Avenue
When ACHD presented the project in June 2024, the Ustick Road and Owyhee Storm Avenue intersection was included. It has since been removed as The City of Nampa received a grant to fund the intersection, allowing them to fast-track construction. This change also helps coordinate the intersection project with the ongoing Highway 16 expansion.(External link)
*Please note that the realigned portion of McDermott Road is now called N McDermott Bypass.*
The Ada County Highway District (ACHD) is designing improvements for Ustick Road, McDermott Road to Black Cat Road and the Ustick Road and McDermott Road intersection. The purpose of this project is to improve traffic flow and increase safety for all users.
Ustick Road, McDermott to Black Cat
Widen Ustick Road to two lanes in each direction, with a center turn lane and median islands where the center turn lane is not needed for access
Construct curb, gutter, and a detached 10-foot-wide multi-use pathway with buffer on both sides of the roadway for pedestrians and bicyclists
Install medians islands to calm traffic and provide access control where necessary
Reduce speed limit to 35 mph
Add stormwater basins to collect, treat, and infiltrate stormwater runoff
Ustick Road and McDermott Road
In cooperation with the Idaho Transportation Department (ITD) State Highway 16 Improvements Project, ACHD will expand and signalize the Ustick and McDermott Road intersection to include:
Additional through lanes
Dedicated right and left turn lanes on Ustick Road and dedicated left turn lanes on McDermott Road
Curb, gutter, and multi-use pathways
McDermott Road has been realigned by ITD as part of their SH-16 extension project.
Ustick Road and Owyhee Storm Avenue
When ACHD presented the project in June 2024, the Ustick Road and Owyhee Storm Avenue intersection was included. It has since been removed as The City of Nampa received a grant to fund the intersection, allowing them to fast-track construction. This change also helps coordinate the intersection project with the ongoing Highway 16 expansion.(External link)
*Please note that the realigned portion of McDermott Road is now called N McDermott Bypass.*
After reviewing the information for the Ustick project, please fill out the community feedback survey. While your comments are always welcome, they can be best used if received by April 30, 2025.
The project team will use your responses to finalize design plans and prepare for construction.
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Realigned McDermott Road to make room for this interchange.
Started construction on new on- and off-ramps.
Began widening Ustick Road.
NEXT STEPS:
ITD will construct the interchange bridge over Ustick Road.
The bridge will connect to new on- and off-ramps at Ustick Road.
Watch the video below to learn more about this work.
McDermott Realignment
McDermott Road has been realigned east of State Highway 16 at Ustick Road. The new alignment will make room for the widening of Ustick Road and the new turn lanes to and from SH-16.
A temporary traffic signal has been added at the intersection of McDermott and Ustick roads. A permanent signal will be added in future years as part of ACHD's Ustick Road, Owyhee Storm to Black Cat project.
Watch the video below to learn more about this work.