About ACHD

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The Ada County Highway District serves all who walk, bike, roll, and drive throughout the 5,000+ lane miles within Ada County. We are committed to creating a safe community for residents and team members through our many projects and services.

Our Team

Discover available positions, talk with our team, and learn about district-wide training and safety opportunities.

Work With Us

Our Leadership

Five elected commissioners represent the residents of the Ada County Highway District. Public hearings on projects of public interest are held most Wednesdays.

Meet the Commission

Public Records

ACHD is committed to transparency in all we do. Looking for something that isn't on our website? Ask for the documents you need. Not sure what you need? We can help!

Request Public Records

ACHD Policies

Review our policies to learn how we plan, maintain, and supervise traffic and roadwork in our jurisdiction.

Explore Our Policy Manual

ACHD Spotlight

Budget

Budget

See our funding plan to increase safety and mobility and provide maintenance to your roads, sidewalks, and infrastructure.

ACHD Budget
Advisory Councils

Advisory Councils

These groups make recommendations to staff and commissioners on issues related to ACHD. They serve as trusted messengers between ACHD and municipalities, interested organizations, civic associations, and the public.

Advisory Council
We're your Neighbors

We're your Neighbors

At ACHD, giving back to our community is part of our culture and we love doing It!  Learn how our team gives back.

ACHD Gives Back
Seasonal Services

Seasonal Services

Different seasons determine the ongoing maintenance we do; weather and temperature often play a part in how and why we perform different operations. See what seasonal services are happening in your neighborhood.

Seasonal Services

2026 Holidays observed

  • Thursday, January 1 - New Year’s Day
  • Monday, January 19 - Martin Luther King Jr. Day
  • Monday, February 16 - President's Day
  • Monday, May 25 - Memorial Day
  • Friday, June 19 - Juneteenth
  • Friday, July 3 - Independence Day
  • Monday, September 7 - Labor Day
  • Wednesday, November 11 - Veterans Day
  • Thursday, November 26 - Thanksgiving Day
  • Friday, November 27 - Day after Thanksgiving
  • Thursday, December 24- Christmas Eve
  • Friday, December 25 - Christmas Day

Let us know your comments, concerns, and questions.

Connect with us on how we can make more safely and effectively connect you to more in Ada County.

Contact Us

ACHD Facility Locations

ACHD Headquarters
5800 N Meeker Ave. 
Boise, ID 83703 
Adams Maintenance
3775 N Adams St. 
Garden City, ID 83714
Cloverdale Maintenance
440 N Cloverdale Rd. 
Boise, ID 83713 
Traffic Operations Center
12590 E Franklin Rd. 
Boise, ID 83709