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Top Terms > Facilities > Transportation, hydraulic and utility facilities > Highway facilities > Roads > Types of roads > Types of roads by jurisdiction > Interstate highways

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Interstate highways (Pmrccjm)

Definition
A system of highways comprising the Dwight D. Eisenhower National System of Interstate and Defense Highways which connect principal metropolitan areas, cities, and industrial centers. These highways serve the national defense, and at suitable border points with routes of continental importance in Canada and Mexico. (Source: AASHTO Glossary)
Broader Term
Types of roads by jurisdiction (Pmrccj)
Related Terms (Hierarchical)
County roads (Pmrccjc)
Federal aid highways (Pmrccjf)
International roads (Pmrccjj)
Primary highways (Pmrccjp)
Private roads (Pmrccjq)
Public roads (Pmrccjr)
Secondary roads (Pmrccjs)
State highways (Pmrccjt)
Toll roads (Pmrccjv)