Ada County Highway District
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Flagger photo
Grouping of pedestrian and sidewalk Photos
Setting forms for drainage Photo
Bicycle Award and Riders Photo
Commuteride Club Red Photo

  Project Information

Going to the public earlier in the potential project process creates opportunities for residents to learn about and weigh in on current and future roadway projects. ACHD believes this will help build safer, smarter and more efficient roadways.

Projects and Open Houses

  All About Traffic

The Ada County Highway District's Traffic Division is responsible for planning, designing and managing efficient traffic flow and traffic safety throughout Ada County.



More About Traffic

  Maintenance

This team is responsible for maintaining more than 5,170 lane miles of roadway and more than 810 bridges and large culverts within the ACHD's jurisdiction.



More About Maintenance

ACHD News Blog

City of Meridian proposes community gathering place on downtown street
The Ada County Highway District is assisting the City of Meridian in repurposing a portion of a downtown street to...


ACHD begins measuring bicycle and pedestrian performance
The Ada County Highway District has begun an initiative begin measuring pedestrian and bicycle performance. Last Wednesday (Jan. 13), ACHD...


ACHD working to develop Neighborhood Plan in Kuna, South Meridian
The Ada County Highway District is working to develop a plan to help improve walking and bicycling routes in Kuna and...


ACHD rolls out new school flashers
The Ada County Highway District is rolling out new school zone flashers throughout the county. So far, 51 school flashers have...


Archived News Releases

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