Dwight D. Eisenhower National System of Interstate and Defense Highways
Shields for future Interstates
Proposed Interstate Highways in December 2015
System information
Formed
June 29, 1956[1]
Highway names
Interstates
Interstate X (I-X)
System links
Interstate Highway System
Main
Auxiliary
Suffixed
Business
Future
In the United States, future Interstate Highways include proposals to establish new mainline (one- and two-digit) routes to the Interstate Highway System. Excluded from this article are auxiliary Interstate Highways (designated by three-digit numbers) in varying stages of planning and construction, and the planned expansion of existing primary Interstate Highways.
^Weingroff, Richard F. (Summer 1996). "Federal-Aid Highway Act of 1956, Creating the Interstate System". Public Roads. 60 (1). Washington, DC: Federal Highway Administration. Retrieved March 16, 2012.
and 30 Related for: List of future Interstate Highways information
United States, futureInterstateHighways include proposals to establish new mainline (one- and two-digit) routes to the InterstateHighway System. Excluded...
are 70 primary interstatehighways in the 48 contiguous United States as well as five former and one future primary interstatehighways. This number does...
Auxiliary InterstateHighways (also called three-digit InterstateHighways) are a subset ofhighways within the United States' InterstateHighway System...
of the InterstateHighways. The InterstateHighway System in Alaska comprises four highways that cover 1,082.22 miles (1,741.66 km). The longest of these...
connections via other highways, or based on future plans to fill in the gap in the Interstate, or simply based on the shortness of the gap. The sections...
Interstate 95 (I-95) is the main north–south InterstateHighway on the East Coast of the United States, running from U.S. Route 1 (US 1) in Miami, Florida...
The listofInterstateHighways in Pennsylvania encompasses 23 InterstateHighways—12 primary routes and 11 auxiliary routes—which exist entirely or partially...
Interstate 40 (I-40) is a major east–west transcontinental InterstateHighway in the southeastern and southwestern portions of the United States. At a...
Interstate 57 (I-57) is a north–south InterstateHighway in Missouri and Illinois that parallels the old Illinois Central Railroad for much of its route...
System ofInterstate and Defense Highways, commonly known as the InterstateHighway System, or the Eisenhower Interstate System, is a network of controlled-access...
of Laredo. The route is one of the more recently designated InterstateHighways; it was signed as an Interstate in 2013. Its construction is part of an...
The InterstateHighways in Tennessee are those parts of the Dwight D. Eisenhower National System ofInterstate and Defense Highways owned and maintained...
Main Routes of the Dwight D. Eisenhower National System ofInterstate and Defense Highways". FHWA Route Log and Finder List. Federal Highway Administration...
Interstate 73 (I-73) is a north–south InterstateHighway, currently located entirely within the US state of North Carolina. It travels 93.5 miles (150...
of the Dwight D. Eisenhower National System OfInterstate and Defense Highways as of December 31, 2021". Route Log and Finder List. Federal Highway Administration...
currently seven routes in the InterstateHighway System that are signed with letter suffixes to the route number. Interstate 35 (I-35) splits into I-35E...
The InterstateHighways in Virginia are a total of 1,118 miles (1,799 km) ofInterstateHighways in the U.S. state of Virginia. Virginia consists of six...
Interstate 15 (I-15) is a major InterstateHighway in the Western United States, running through Southern California and the Intermountain West. I-15 begins...
The InterstateHighways in Michigan are the segments of the national Dwight D. Eisenhower System ofInterstate and Defense Highways that are owned and...
The InterstateHighways in Alabama are the components of the InterstateHighway System in the U.S. state of Alabama. All numbered highways in Alabama are...
of the Dwight D. Eisenhower National System ofInterstate and Defense Highways as of December 31, 2018". Route Log and Finder List. Federal Highway Administration...
provided federal funds for construction of limited access highways. Indiana's initial set of seven InterstateHighways were announced in September 1957. Indiana...
Interstate 75 (I-75) is a major north–south InterstateHighway in the Great Lakes and Southeastern regions of the United States. As with most Interstates...
of the Dwight D. Eisenhower National System ofInterstate and Defense Highways as of December 31, 2018". Route Log and Finder List. Federal Highway Administration...
Interstate 69 (I-69) is an InterstateHighway in the United States currently consisting of 10 unconnected segments with an original continuous segment...
Main Routes of the Dwight D. Eisenhower National System OfInterstate and Defense Highways". FHWA Route Log and Finder List. Federal Highway Administration...
Interstate 10 (I-10) is the southernmost transcontinental highway in the InterstateHighway System. I-10 is the fourth-longest Interstate in the United...
to Interstate 535. Geographic data related to Interstate 535 at OpenStreetMap I-535 at Wisconsin Highways I-535 at The Unofficial Minnesota Highways Page...
following is a listofInterstatehighways in the U.S. state of Nevada. All active mainline Interstates are maintained by the Nevada Department of Transportation...
Global Information
