Interstate Highway System

Definition

A network of controlled-access highways that forms part of the National Highway System in the United States. Initiated by Dwight D. Eisenhower, it was designed for both defense and to connect major cities.

Related terms

Federal-Aid Highway Act of 1956: Legislation signed by President Dwight D. Eisenhower that authorized the construction of the Interstate Highway System.

Urbanization: The process by which towns and cities are formed and become larger as more people begin living and working in central areas.

Infrastructure: Basic physical systems of a business or nation; transportation, communication, sewage, water & electric systems are all examples of infrastructure.