Interstate Routes


The Federal-Aid Highway Act of 1956 officially created the interstate system.
It was signed into law on June 20, 1956.  In August 1957, AASHO announced the 
numbering scheme for the interstate highways and unveiled the red, white, and 
blue interstate shield. Many of the states had submitted proposals for the 
shield, but the final version was a combination of designs submitted by 
Missouri and Texas. Administrator Tallamy approved the route marker and 
the numbering plan in September.

The interstate system was initially set up for military transport as well as cargo transport.
However, in later years, the interstate has become open to cars as well.

Alabama first showed the interstate system in 1961.  The last segment was 
completed in 1999, the last in the nation.
Mileage may vary 2 to 4 miles from stated figures.
Terminus cities in some cases are the closest town.
Mileage In Alabama:              66

Completion Date:       1978

E Terminus:       Jacksonville, FL

Ala Entry E:Florida State Line, 10 miles W of Pensacola, FL    

W Terminus:        Santa Monica, CA

Ala Entry W:    Mississippi State Line, 4 miles W of Grand Bay, AL

Current Ala Route:    Florida State Line-2 miles N of Loxley-Mobile-Tillmans Corner-
                          Theodore-Grand Bay-Mississippi State Line.

                         

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Ala Mileage:              215

Completion Date:       1986

E Terminus:        Florence, SC

Ala Entry E:     Georgia State Line, 5 miles E of Abernathy

W Terminus:        Kent, TX

Ala Entry W:Mississippi State Line, with I-59, at Cuba, AL    

Current Ala Route:     Georgia State Line-Abernathy-Heflin-Oxford-Lincoln-Pell City-
                          Leeds-Irondale-Birmingham.
                          With I-59, Birmingham-Bessemer-Cottondale-Tuscaloosa-Fosters-Knoxville-
                          York-Cuba-Mississippi State Line.
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Mileage In Alabama:              94 Completed Miles

Completion Date:       Under Construction

E Terminus:       Forrestdale, AL (Designed For Birmingham, AL)

W Terminus:        Memphis, TN

Ala Entry W:    Mississippi State Line, 4 miles W of Grand Bay, AL

Current Ala Route:    Forrestdale-Jasper-Carbon Hill-Winfield-Bexar-Mississippi State Line.

Notes:    Interstate 22 is the future designation of Corridor X, replacing
                          U. S. 78 when completed. All that is left is the final 5 miles to link up with I-65 and to                           terminate at U.S. 31, in Fultondale. The interchange with I-65 will occur between the                           U.S. 31 exit (Exit 267) and the 41st. Ave. Exit (Exit 264). Completion date is scheduled                           for 2012.                          

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Ala Mileage:              241

Completion Date:       1981

N Terminus:       Wildwood, GA

Ala Entry N: Georgia State Line, at Sulphur Springs, AL   

S Terminus:        Alton, LA

Ala Entry S:    Mississippi State Line, with I-20, at Cuba, AL

Current Ala Route:    Georgia State Line-Sulpher Springs-Hammondville-Ft. Payne-Collinsville-
                          Reece City-Gadsden-Steele-Ashville-Springville-Argo-Trussville-Birmingham.
                          With I-20, Birmingham-Bessemer-Cottondale-Tuscaloosa-Fosters-Knoxville-
                          York-Cuba-Mississippi State Line.

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Ala Mileage:              0

Completion Date:       1985

N Terminus:       Gary, IND

Ala Entry N:    Tennessee State Line, 6 miles N of Thach, AL

S Terminus:        Mobile AL

Current Ala Route:     Tennessee State Line-Thach-Athens-Priceville-Falkville-Lacon-
                          Cullman-Good Hope-Warrior-Kimberly-Gardendale-Fultondale-Birmingham-Vestavia Hills-Pelham-Alabaster-
                          Calera-Clanton-Pine Level-Prattville-Montgomery-Tyson-Greenville-Garland-Evergreen-Castleberry-
                          Barnett Crossroads-Perdido-Satsuma-Prichard-Mobile.
                         

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Ala Mileage:              80

Completion Date:       1973

N Terminus:       Ettrick, VA

Ala Entry N:     Georgia State Line, at Lanett, AL

S Terminus:        Montgomery, AL

Current Ala Route:   Georgia State Line-Lanett-Opelika-Auburn-Franklin-Milstead-Shorter-
                          Mt. Meigs-Montgomery.
                         

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Mileage              5

Completion Date:       1999

N Terminus:       I-65.

S Terminus:        U.S.90

Current Route:    Spur around the W side of Mobile.

                         

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Mileage:              2

Completion Date:       1984

N Terminus:       U.S. 43

S Terminus:        I-20 / I-59.

Current Route:    Spur into Tuscaloosa.

                         

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Mileage:              33

Completion Date:       1983

N Terminus:       I-59, at Trussville

S Terminus:        I-20 / I-59, at Bessemer.

Current Route:    S bypass around Birmingham.

                         

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Mileage:              21

Completion Date:       1993

E Terminus:       U.S. 72, Huntsville

W Terminus:        I-65.

Current Route:    Spur into Huntsville with Alt. U.S. 72.

                         

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Mileage:              4

Completion Date:       1986

E Terminus:       Ala 759

W Terminus:        I-59

Current Route:    Spur into East Gadsden.

                         

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