Interstate Highway System

References & Edit History

Images

Interstate 77 bridge with light trails from traffic crosses the Kanawha River toward downtown Charleston, West Virginia, at sunrise with city buildings and hills in the background.

Interstate 55 construction

Interstate 70 highway signs for westbound and eastbound directions stand at a rural crossroads in a remote desert area of Utah, with mountains and clouds in the distance.

Aerial view of an expressway.

Aerial view of a complex network of intersecting interstate highways and bypasses in Albuquerque, New Mexico, surrounded by buildings, streets, and green spaces.

U.S. Sen. Bulkley with a precursor to the U.S. Interstate Highway System

Interstate Highway System: References & Edit History

More Articles On This Topic

Article Contributors

Primary Contributors

Stephen Eldridge
Stephen Eldridge is a writer and editor of fiction and nonfiction for all ages.

Other Encyclopedia Britannica Contributors

Article History

Type	Description	Contributor	Date
	Modified link of Web site: NCpedia - ANCHOR - The Interstate Highway System.	Aakanksha Gaur	Jun 03, 2026
	Add new Web site: NPR - A Brief History of How Racism Shaped Interstate Highways.	Emily Rodriguez	Dec 18, 2025
	Add new Web site: DigitalCommons at Macalester - Concrete Legacy: The Effects of the Interstate Highway System on Black Communities in the U.S. (PDF).	Gloria Lotha	Sep 11, 2025
	Add new Web site: Digital Commons at UM Carey Law - The Baltimore City Interstate Highway System (PDF).	Gloria Lotha	Aug 01, 2025
	Add new Web site: Army Sustainment University - Dwight D. Eisenhower and the Birth of the Interstate Highway System (PDF).	Aakanksha Gaur	May 23, 2025
	Add new Web site: U.S Department of Transportation - Federal Highway Administration - The Interstate System.	Grace Young	Apr 11, 2025
	Add new Web site: Academia - Social Impacts of the Interstate Highway System (PDF).	Yamini Chauhan	Jan 17, 2025
	Add new Web site: National Center for Biotechnology Information - PubMed Central - Interstate Highway Connections and Traced Gun Transfers Between the 48 Contiguous United States.	Emily Rodriguez	Dec 05, 2024
	Add new Web site: CORE - Federal Aspects of the Interstate Highway Program.	Aakanksha Gaur	Sep 28, 2024
	Add new Web site: The University of New Mexico - The Interstate Highway System: 50 Years of Perspective.	Emily Rodriguez	Aug 14, 2024
	Add new Web site: University of Washington - Highway to Inequity: The Disparate Impact of the Interstate Highway System on Poor and Minority Communities in American Cities.	Gloria Lotha	May 13, 2024
	Add new Web site: U.S. Department of Transportation - Federal Highway Administration - Interstate System.	Gloria Lotha	Mar 07, 2024
	Add new Web site: American Society of Civil Engineers - The last piece of the Interstate Highway System may have been the toughest.	Gloria Lotha	Jan 26, 2024
	Add new Web site: NCpedia - ANCHOR - The Interstate Highway System.	Emily Rodriguez	Oct 12, 2023
	Add new Web site: New Georgia Encyclopedia - Interstate Highway System.	Aakanksha Gaur	Aug 29, 2023
	Add new Web site: United States Army - Dwight D. Eisenhower and the birth of the Interstate Highway System.	Emily Rodriguez	May 25, 2023
	New article added.	Bill Guerriero Stephen Eldridge	Feb 02, 2023