The Dwight D. Eisenhower National System of Interstate and Defense Highways, commonly known as the Interstate Highway System, or the Eisenhower Interstate System, is a network of …

Dec 18, 2025 · Interstate Highway System, a network of public highways established across the United States by federal law.

Interstate highways have a bright red solid line symbol with an interstate shield label symbol. But limited-access highways and principal roads are fainter in color. Because of size constraints, …

Aug 8, 2023 · In this section, you will find articles explaining the origins of the Interstate System and how it came together, as well as other aspects of its development. Check the bibliography …

Complete 2025 guide to the Interstate Highway System - 46,876 miles including toll and toll-free routes, numbering system, and travel planning across all 50 states.

State highway departments work through the American Association of State Highway and Transportation Officials (AASHTO) to develop highway design standards and assign numbers …

Brought to you by AARoads, included on this site are guides for all Interstate highways within the Eisenhower Interstate System. The national network of freeways and toll roads includes a …

The following are lists of highways in the Interstate Highway System:

May 27, 2010 · The bill created a 41,000-mile “National System of Interstate and Defense Highways” that would, according to Eisenhower, eliminate unsafe roads, inefficient routes, …

Persons traveling through the United States today may find it difficult to imagine our country without the Eisenhower Interstate Highway System.