The Nevada Department of Transportation is responsible for the planning, construction, operation and maintenance of the 5,400 miles of highway and over 1,000 bridges which make up the state highway system. The department is divided into three districts, with a district engineer and assistant engineers in each. The districts are responsible for supervising all state transportation activities within their local areas. NDOT's headquarters building is located in Carson City, with the three main district offices located in Las Vegas, Reno and Elko. Major maintenance stations are in Ely, Tonopah and Winnemucca. 

NDOT's mission is to provide, operate and preserve a reliable and sustainable transportation system that enhances safety, quality of life and economic development through innovation and collaboration.