Ada County Highway District Hours of Operation
The Ada County Highway District main office is open from 8 a.m. to 4:30 p.m., Monday through Friday, except for designated holidays.
For 2023, the District's holidays are:
- Monday, January 2 -- New Year’s Day (Observed)
- Monday, January 16 -- Martin Luther King Day
- Monday, February 20 -- President's Day
- Monday, May 29 -- Memorial Day
- Monday, June 19 -- Juneteenth Day
- Tuesday, July 4 -- Independence Day
- Monday, September 4 -- Labor Day
- Friday, November 10* -- Veterans Day
- Thursday, November 23 -- Thanksgiving Day
- Friday, November 24 -- Day after Thanksgiving
- Tuesday, December 26* -- Christmas Eve (Observed)
- Monday, December 25 -- Christmas Day
ACHD has specialists on-call around the clock to deal with signal malfunctions, missing or damaged signs and any other issue involving the local road network. If you need assistance or to report a problem at a time outside of normal business hours, please call the Ada County Sheriff's Dispatch's non-emergency number at 208-377-6790.
