The Interstate Highways in Alabama are the components of the
Interstate Highway System
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 Hi ...
in the U.S. state of
Alabama
Alabama ( ) is a U.S. state, state in the Southeastern United States, Southeastern and Deep South, Deep Southern regions of the United States. It borders Tennessee to the north, Georgia (U.S. state), Georgia to the east, Florida and the Gu ...
. All numbered highways in Alabama are maintained by the
Alabama Department of Transportation
The Alabama Department of Transportation (ALDOT) is the government agency responsible for transportation infrastructure in Alabama. The Department is organized into five geographic regions, with a Central Office located in Montgomery, Alabama, ...
(ALDOT).
Currently, there are 11 routes and of Interstates in Alabama. The Interstate with the longest segment in Alabama is
Interstate 65
Interstate 65 (I-65) is a major north–south Interstate Highway System, interstate highway in the central United States. As with most primary interstates ending in 5, it is a major crosscountry, north–south route, connecting between th ...
, covering ; the shortest is
Interstate 359
Interstate 359 (I-359) is a part of the Interstate Highway System in the US state of Alabama. It is a spur route that runs for entirely within the city limits of Tuscaloosa, Alabama, Tuscaloosa. Its terminuses are just south of Interstate ...
, covering .
There are six Interstate primary routes and five Interstate auxiliary routes serving the six largest cities in the state, and 22 of the 25 largest.
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Primary Interstate highways
File:Wallace Tunnel Mobile Alabama.jpg, I-10 entering the George Wallace Tunnel
The George Wallace Tunnel is a pair of road tunnels that carry Interstate 10 through Mobile, Alabama from the city's downtown, going beneath the Mobile River, and emerging on Blakeley Island where they join the Jubilee Parkway over Mobile Bay. ...
in Mobile
Auxiliary Interstate highways
File:Interstate 759 at Alabama State Route 759 in Gadsden Alabama.jpg, Eastern terminus of I-759 in Gadsden
See also
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References
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Interstate
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 H ...