File:I-80.svg · Wikimedia Commons · See Wikimedia Commons
سامانه بزرگراههای میان ایالتی
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
- Part of
- National Highway System
- Official name
- Dwight D. Eisenhower National System of Interstate and Defense Highways
- Country
- United States
- Highest point
- Eisenhower Tunnel
- Official website
- www.fhwa.dot.gov/programadmin/interstate.cfm
- Length
- 77556
Show 11 more facts
- road name formatter
- Interestatal $1
- has characteristic
- Interstate Highway standards
- road number formatter
- I-$1
- Commons category
- Interstate Highway System
- topic's main category
- 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
- topic has template
- Template:Interstates
via Wikidata · CC0