# Canonical recap data for Interstate Highway System Authorized (1956)
# Source: https://recap.at/1956/interstate-highway-act
# Format: YAML 1.2 (UTF-8). Generated at request time.
slug: interstate-highway-act
canonicalUrl: "https://recap.at/1956/interstate-highway-act"
title: Interstate Highway System Authorized
subtitle: Eisenhower's Federal-Aid Highway Act created the world's largest public works project, reshaping American infrastructure and suburban development.
recapType: global_event
eventStatus: concluded
startDate: 1956-06-29
datePrecision: day
year: 1956
decade: 1950
country:
name: United States
slug: united-states
summaryShort: "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 controlled-access highways that forms part of the National Highway System in the United States. The system extends throughout the contiguous "
summaryLong: 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 controlled-access highways that forms part of the National Highway System in the United States. The system extends throughout the contiguous United States and has routes in Hawaii, Alaska, and Puerto Rico.
heroImageUrl: "https://upload.wikimedia.org/wikipedia/commons/thumb/1/11/I-80.svg/1280px-I-80.svg.png"
heroImageCredit: Wikipedia · "Interstate Highway System"
importance: 80
sourceConfidence: 75
keyFacts: []
timeline: []
sources:
- url: "https://en.wikipedia.org/wiki/Interstate_Highway_System"
  title: Interstate Highway System
  provider: Wikipedia
related: []
categories:
- tech-launch
metaDescription: The Dwight D. Eisenhower National System of Interstate and Defense Highways, commonly known as the Interstate Highway System, or the Eisenhower Interstate Syste
wikidataQid: Q94247
archiveSnapshots:
- url: "https://web.archive.org/web/20260627234954/https://en.wikipedia.org/wiki/Interstate_Highway_System"
  capturedAt: 2026-06-27
  label: Interstate Highway System
  originalUrl: "https://en.wikipedia.org/wiki/Interstate_Highway_System"
