Nampa Highway District No. 1
Est. May 20, 1911

Welcome to the Nampa Highway District No.1 Website

Asistencia de idiomas está disponible para las personas con habilidad limitada del Inglés.  Visite nuestra oficina o llame al (208) 467-6576 6:30 AM a 5:00 PM, de lunes a jueves.



About Nampa Highway District No. 1


Nampa Highway District No. 1 (NHD) is one of four highway districts that serve Canyon County.  Each is a political subdivision of the State of Idaho, and is independent of state, city or county governments.  The authority of the highway districts is set forth in Idaho Code Title 40, Chapter 13.


NHD maintains 367 miles of roadways, and associated signs, bridges and culverts.  NHD is governed by three elected Commissioners, and  has 35 employees.

Geographic Boundaries

NHD Jurisdictional boundaries are shown in the "Canyon County Highway Districts Map" located in the Manuals, Forms & Maps section of this site. (or by clicking on the map above) NHD is generally composed of the southern portion of Canyon County, bounded by Marsing Rd. (west of Lake Lowell), and Midland Blvd. and Ustick Rd. (north and east of Lake Lowell). NHD does not have a jurisdiction over City of Nampa or City of Melba roads.

Hours of Operation

Monday ~ Thursday
6:30 am ~ 5:00 pm

Contact Information

 Office Address

 Office Phone

 Emergency After Hours

4507 12th Avenue Road

 (208) 467-6576

 (208) 318-4105

Nampa, ID 83686

 Office Fax

 (208) 941-5774


(208) 467-9916

  (208) 573-3102


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