The District was established by referendum on May 25th, 1971. It is responsible for the construction and maintenance of all streets and roads in Ada County, except those designated as state or federal highways. The District provides planning, design, construction, reconstruction, maintenance, and traffic supervision for all urban streets, rural roadways, and bridges under its jurisdiction.
The Policy Manual is provided as a service and may not reflect the latest changes to the formal document. The most current version is available at the District's headquarters, or can be obtained by calling 208-387-6244.