ACHD encourages members of the public to check nearby storm drains and clear any leaves or debris that may obstruct water flow. Residents can identify their nearest storm drain inlet by …

To make it easy to identify where work is taking place, we've developed an updated map of current road projects in Ada County, including ACHD and non-ACHD work called "Roadwork …

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 …

ACHD Plans Planned projects and initiatives that will help us deliver safer, more accessible streets to all who walk, bike, roll, or drive in Ada County.

Do you have a traffic safety concern? You can request a traffic investigation be completed by ACHD if you have any concerns related to traffic safety and operations that fall within ACHD's …

Stay informed by joining ACHD Engage

Dec 17, 2025 · Get an inside look at what it’s like to work at ACHD. Our Below the Hard Hat video series features employees from across our organization sharing their experiences and what it …

To remove any surprises from your commute, we provide a map of current road projects in Ada County, including ACHD and non-ACHD work, called "Roadwork in the Area" (RITA).

During business hours (8am-4:30pm), please report issues requiring immediate response (such as damaged signals/signs, fallen trees in the roadway), to ACHD: 208-387-6100.

The Integrated Five-Year Work Plan outlines the projects, priorities, and strategies ACHD will pursue over the next five years. Because plans need funding to become a reality, the FYP is …