File:I-80.svg · Wikimedia Commons · See Wikimedia Commons
Interstate Highway System
Sign in to saveAlso known as National System of Interstate and Defense Highways, Interstate Freeway System, Interstate System, the Interstate, US Interstate Highway System, U.S. Interstate Highway System, United States Interstate Highway System, Eisenhower Interstate System
network of freeways in the United States
Key facts
- Length
- 48,890 mi (78,680 km)
- Formed
- June 29, 1956 ; 69 years ago ( 1956-06-29 )
- Interstates
- Interstate X (I-X)
via Wikipedia infobox
Wikidata facts
- Official name
- Dwight D. Eisenhower National System of Interstate and Defense Highways
- Official website
- www.fhwa.dot.gov/programadmin/interstate.cfm
- Length
- 77556
Show 8 more facts
- road name formatter
- Interestatal $1
- road number formatter
- I-$1
- Commons category
- Interstate Highway System
- inception
- 1956-06-29
- date of official opening
- 1956-06-29
- start time
- 1956-06-29
- OpenStreetMap tag
- network=US:I
via Wikidata · CC0
~40 min read
Article
Early life
Military career
Gallery (12)
Connections
Interstate 83
Entity
Interstate 84
Entity
National Highway System
Entity
Washington, D.C.
Entity
Boston
Entity
Miami
Entity
Seattle
Entity
controlled-access highway
Entity
Supreme Headquarters Allied Expeditionary Force
Entity
Interstate 95
Entity
toll road
Entity
median strip
Entity
Interstate 16
Entity
United States Numbered Highway System
Entity
Interstate 29
Entity
high-occupancy-vehicle lane
Entity
Interstate 84
Entity
grandfather clause
Entity
Interstate Highways in Alaska
Entity
concurrency
Entity