Three of the five Ada County Highway District commission seats will be on the Nov. 6 general election ballot.

All three incumbents are seeking re-election. Voters cast ballots for the non-partisan commission seat representing the area where they live.

The last day for a candidate to file to run and have his or her name appear on the ballot was Aug. 8. Anyone wishing to run as a write-in candidate has until Sept. 21 to file.

Declared candidates as of Aug. 8:

• District 1 (Southeast Boise and eastern Ada County): Incumbent Carol McKee faces three challengers, Jim Hansen, Dave Litster and Neil Piispanan.

• District 2 (central Ada County): Incumbent Rebecca Arnold faces one challenger, John M. Carver.

• District 5 (west central Ada County): No one has filed to run against incumbent Sara Baker.

ACHD is responsible for building and maintaining nearly all the roads and bridges in Ada County and its six cities.

Five part-time commissioners oversee the agency, which has about 300 employees and an $87 million annual budget. The agency operates and maintains 2,150 miles of roads.

ACHD commissioners serve four-year terms representing one of five districts across Ada County.

The compensation for the part-time post is a monthly stipend of $1,686.

The commissioners meet on the first four Wednesdays of each month, excluding holidays.

To qualify to run for the ACHD commission, a candidate must be a citizen of the United States, 21 years old and a resident of the ACHD district in which he or she seeks office.

Anyone interested in running for ACHD commissioner as a write-in candidate must file by 5 p.m. Sept. 21. The form and fee go to the Ada County Elections Office, 400 Benjamin Lane, Boise, ID 83704. The Elections Office phone number is 287-6860.