List of Interstate and U.S. Highways in Alabama

Three systems of numbered highways are present in the U.S. state of Alabama: the Interstate Highway System, U.S. Numbered Highways, and the Alabama state route system. The Interstate Highway System and U.S. Highway System are nationwide systems with a subset of the highways passing through Alabama. All numbered highways in Alabama are maintained by the Alabama Department of Transportation (ALDOT).

Currently, there are 10 routes and 1,035.27 miles (1,666.11 km) of Interstates in Alabama. When completed, Interstate 22 will add 91 miles (146 km) to the total. The Interstate with the longest segment in Alabama is Interstate 65, covering 367.00 miles (590.63 km); the shortest is Interstate 359, covering 2.30 miles (3.70 km).[1] 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.

19 U.S. Highways cross through Alabama, totaling 3,852.85 miles (6,200.56 km). US 31 is the highway with the longest segment in Alabama, with 386.449 miles (621.929 km). The shortest is U.S. Route 72 Alternate, crossing 68.3 miles (109.9 km) of North Alabama.[2] One former U.S. Highway existed in Alabama; US 241 ran through eastern Alabama and was replaced with US 280 and US 431 in 1954.[3]

Of Alabama's sixty-seven counties, only three; Clay, Geneva, and Wilcox; do not have Interstate or U.S. highways running though them.

Contents

Primary Interstate highways


Route number Length[1] Western / southern terminus Eastern / northern terminus Counties Description Map Refs.
I-10 66.31 miles (106.72 km) I-10 at the Mississippi state line I-10 at the Perdido River/Florida state line Mobile, Baldwin I-10 enters the state from Mississippi near Grand Bay, then bears northeast to Mobile and the George Wallace Tunnel, the through Baldwin County, and goes into Florida.[4] [5][6]
I-20 214.7 miles (345.5 km) I-20 / I-59 at the Mississippi state line near Cuba I-20 at the Georgia state line Sumter, Greene, Tuscaloosa, Jefferson, St. Clair, Talladega, Calhoun, Cleburne I-20 runs concurrently with I-59 from the Mississippi state line, northeast through Tuscaloosa, through its junction with I-459, and into Birmingham. Near the Birmingham Airport, the highway splits with I-59 and heads east, to Pell City and Anniston-Oxford, before crossing into Georgia on its way to Atlanta.[7] [8][9][10][11][12][13][14][15]
I-59 241.36 miles (388.43 km) I-20 / I-59 at the Mississippi state line near Cuba I-59 at the Georgia state line Sumter, Greene, Tuscaloosa, Jefferson, St. Clair, Etowah, DeKalb I-59 runs concurrently with I-20 from the Mississippi state line, northeast through Tuscaloosa, through its junction with I-459, and into Birmingham. Near the Birmingham Airport, the highway splits with I-20 and heads northeast, towards Gadsden and Fort Payne, before crossing into Georgia on its way to Chattanooga, Tennessee.[16] [8][9][10][11][12][17][18]
I-65 367.00 miles (590.63 km) I-10 in Mobile I-65 at the Tennessee state line near Ardmore Mobile, Baldwin, Escambia, Conecuh, Butler, Lowndes, Montgomery, Elmore, Autauga, Chilton, Shelby, Jefferson, Blount, Cullman, Morgan, Limestone I-65 is the major north-south route in the state, and Alabama's longest interstate and third-longest numbered route. It begins at I-10 in Mobile, skirting the west side of the city, before heading northeasterly toward Atmore, Greenville, and Montgomery. After a junction with I-85 in Montgomery, it passes Clanton on it way to Birmingham, where it meets with I-20, I-59, and in the future, I-22. It continues north through Cullman and Decatur, near which I-565 splits off toward Huntsville. The Interstate crosses into Tennessee near Ardmore heading to Nashville.[19] [5][6][11][20][21][22][23][24][25][26][27][28][29][30][31][32]
I-85 80 miles (130 km) I-65 & Day Street in Montgomery I-85 at the Georgia state line in Lanett Montgomery, Macon, Lee, Chambers I-85 begins at I-65 in Montgomery, and continues eastward near Tuskegee and Auburn, before crossing into Georgia on its way to Atlanta.[33] [24][34][35][36]

Auxiliary Interstate highways

Route number Length[1] Western / southern terminus Eastern / northern terminus Counties Description Map References
I-359 2.30 miles (3.70 km) I-20 / I-59 / US-11 / SR-7 US-11 / US-43 / SR-13 / SR-69 Tuscaloosa I-359 serves as a spur route connecting Interstate 20/Interstate 59 with downtown Tuscaloosa.[37] [10]
I-459 32.80 miles (52.79 km) I-20 / I-59 / US-11 / SR-5 near Bessemer I-59 at Trussville Jefferson I-459 forms a partial southern loop around Birmingham, connecting I-20/I-59 in Bessemer and I-59 near Trussville. There are plans to extend the loop around the north of the city, as State Route 959.[38] [11]
I-759 4.50 miles (7.24 km) I-59 in Attalla US-411 / SR-25 / SR-759 in Gadsden Etowah I-759 serves as a spur route route from Interstate 59 to the Gadsden metropolis.[39] [17]
I-165 4.90 miles (7.89 km)
US 90/Truck US 98/SR 16 at Beauregard & North Water Streets in Mobile		 I-65 in Prichard Mobile I-165 serves as a spur route connecting downtown Mobile with Interstate 65 northwest of Mobile.[40] [5]
I-565 21.40 miles (34.44 km) I-65 / SR-20 in Decatur US-72 in Huntsville Limestone, Madison I-565 serves as a spur route connecting Interstate 65 with Huntsville and crossing the City of Huntsville.[41] [32][42]

Future Interstate highways

Route number Length Western / southern terminus Eastern / northern terminus Counties Description References
I-22 91 miles (146 km) I-22 at Mississippi state line I-65 / US-31 in Birmingham Marion, Walker, Jefferson I-22 presently enters Alabama from Mississippi near Hamilton. It will roughly follow the current U.S. 78, bypassing Winfield and Jasper before reaching the Birmingham metropolis, where it will reach its eastern terminus at Interstate 65 and U.S. Highway 31. [43]
I-685 14 miles (23 km) I-65 at Montgomery I-85 / US-80 in Montgomery Montgomery With the completion of the Montgomery Southern Bypass, I-85 will be shifted to that new route. AASHTO approved in October 2010 the co-signing of I-685 to be put up along with current I-85 up to the point it moves to the new roadway. [44]

U.S. Highways

Route number Length[2] Western / southern terminus Eastern / northern terminus Counties Description Map Refs.
US 11 250.671 miles (403.416 km) US 11 / US 80 at the Mississippi state line near Cuba US 11 at the Georgia state line near Sulphur Springs Sumter, Greene, Tuscaloosa, Bibb, Jefferson, St. Clair, Etowah, DeKalb US 11 closely follows the route of I-59 through Alabama. After entering the state from Mississippi, it heads northeast to Tuscaloosa. Near North Bibb, it joins I-20/I-59 until it splits in Bessemer. In Birmingham, it follows 3rd Avenue, then 1st Avenue. It then passes to the west and north of Gadsden, then through Fort Payne on its way to Georgia.[45] [8][9][10][11][12][17][18][46]
U.S. Highway 411 87.6 miles (141.0 km) US-78 in Leeds US 411 at the Georgia state line near Forney, Alabama Jefferson, St. Clair, Etowah, Cherokee US 411 begins in Leeds, and generally follows I-59 running alongside it to its south. US-411 briefly runs concurrently with US-231 before Ashville, before passing through the eastern part of Gadsden. After reaching Weiss Lake, US-411 turns due east, and it passes into Georgia.[47] [11][12][17][48]
US 29 226.550 miles (364.597 km) US 29 at the Florida state line near Flomaton US 29 at the Georgia state line near Lanett Escambia, Covington, Crenshaw, Pike, Bullock, Macon, Lee, Chambers US 29 enters the state from Florida near Flomaton. It runs concurrently with US 31 from Flomaton to Brewton, the continues easterly towards Andalusia, after which it meanders northeast to Troy. It then goes east, then north through Union Springs and Tuskegee, before joining I-85 through Auburn. It then splits from I-85, but continues to follow it through Valley and Lanett, crossing into Georgia at West Point.[49] [20][34][35][36][50][51][52][53]
US 31 386.449 miles (621.929 km) US-90 in Spanish Fort I-65 / US-31 at the Tennessee state line near Ardmore Baldwin, Escambia, Conecuh, Butler, Lowndes, Montgomery, Elmore, Autauga, Chilton, Shelby, Jefferson, Blount, Cullman, Morgan, Limestone US 31 is a north-south route, closely following I-65 for the majority of its route. It begins in Spanish Fort. It then heads north to Bay Minette, then northwesterly along I-65 to Montgomery. It continues north through Birmingham and Decatur, and runs concurrently with I-65 from Athens to the Tennessee state line.[54] [6][11][20][21][22][23][24][25][26][27][28][29][30][31][32]
US 231 331 miles (533 km) US 231 at the Florida state line near State Line US-231 / US-431 at the Tennessee state line near Fisk, Alabama. Houston, Dale, Pike, Montgomery, Elmore, Coosa, Talladega, Shelby, St. Clair, Blount, Marshall, Madison, Limestone US 231 winds from south to north across the eastern side of the state. From Florida, it goes north to Dothan, then northeast through Ozark and Troy to Montgomery. From there, it remains to the east of the Coosa River through Wetumpka and Sylacauga before crossing at Childersburg. It then winds through Pell City, Oneonta, and Alabama before reaching Huntsville. In Huntsville, it follows Memorial Parkway, the major north-south thoroughfare through the city, and meets with US 431 before heading north to Tennessee.[55] [12][13][24][25][28][29][32][42][56][52][57][58][59]
US 331 103 miles (166 km) US 331 at the Florida state line in Florala US-80 / US-82 in Montgomery Covington, Crenshaw, Montgomery US 331 serves as a major route from Alabama to beaches in northwest Florida. The route enters Alabama from Florida near Florala and heads north through Opp and Luverne before reaching Montgomery.[60] [24][50][51]
US 431 341.824 miles (550.112 km) US-231 in Dothan US-231 / US-431 at the Tennessee state line near Fisk, Alabama. Houston, Henry, Barbour, Russell, Lee, Chambers, Randolph, Cleburne, Calhoun, Etowah, Marshall, Madison US 431 is north-south route in eastern Alabama, running to the east of, and briefly concurrently with US Hwy-231. It begins in Dothan and goes north along the Georgia state line through Eufaula and Phenix City. It then juts northwesterly to Opelika, before continuing north, eventually crossing I-20 near Anniston and I-59 near Gadsden. It then crosses Sand Mountain and Lake Guntersville before reaching Huntsville. It joins with US 231 for its last 20 miles (32 km) into Tennessee.[61] [14][15][17][35][36][42][56][59][62][63][64][65]
US 43 350.978 miles (564.844 km) US-90 in Mobile US-43 at the Tennessee state line near Green Hill Mobile, Washington, Clarke, Marengo, Greene, Tuscaloosa, Fayette, Marion, Franklin, Colbert, Lauderdale US 43 is a north-south route in the western part of the state. It begins in Mobile and heads north through Saraland and Thomasville to Demopolis. It crosses I-20/I-59 and then goes through Tuscaloosa. It then continues north through Fayette and Hamilton, and eventually crosses the Tennessee River at The Shoals. It briefly follows US 72 west, but splits north toward Tennessee near Killen.[66] [5][9][10][67][68][69][70][71][72][73][74]
US 45 59.181 miles (95.243 km) US-98 in Mobile US 45 at the Mississippi state line near Yellow Pine Mobile, Washington US 45 begins at the Bankhead Tunnel in Mobile, then moves northwest out of the city to Prichard along Spring Hill Avenue and St. Stephens Road. It then heads northwest to Citronelle before passing into Mississippi north of Yellow Pine.[75] [5][67]
US 72 167.211 miles (269.100 km) US 72 at the Mississippi state line near Lime Kiln US-72 at the Tennessee state line near Bridgeport Colbert, Lauderdale, Limestone, Madison, Jackson US 72 runs west to east in the northern part of the state, roughly following the Tennessee River. It enters the state from Mississippi and heads west to Tuscumbia. There, it turns north, crossing the river into Florence, while US 72 Alternate continues south of the river. Through Florence, it continues west along the north bank of the river through Athens and northern Madison before reaching Huntsville. The route then goes to Scottsboro, then to the northwest, crossing into Tennessee near Bridgeport on its way to Chattanooga.[76] [32][42][73][74][77]

US 72 Alternate		 68.3 miles (109.9 km) US-72 south of Muscle Shoals I-565 / US-72 in Huntsville Colbert, Lawrence, Morgan, Limestone, Madison US 72 Alternate splits from US 72 near Tuscumbia, and follows the south bank of the Tennessee River to Decatur. There, it crosses the river, and soon joins with Interstate 565. Through Madison, it splits off and runs parallel to I-565, before rejoining to go through Huntsville. It re-joins US 72 on the east side of Huntsville.[78] [31][32][42][73][79]
US 78 192.192 miles (309.303 km) US 78 at the Mississippi state line near Bexar US 78 at the Georgia state line near Muscadine. Marion, Walker, Jefferson, St. Clair, Talladega, Calhoun, Cleburne US 78 is a west-to-east route across central Alabama. Much of US-78 west of Birmingham is also the route for future Interstate 22. It enters the state from Mississippi and heads southeast, passing Hamilton, Winfield, and Jasper on its way to Birmingham. East of Birmingham, it closely follows I-20 through Pell City and Anniston to Georgia.[80] [11][12][13][14][15][71][81]
US 278 199.162 miles (320.520 km) US 278 at the Mississippi state line near Sulligent US 278 at the Georgia state line near Palestine. Marion, Winston, Cullman, Blount, Etowah, Cherokee, Cleburne US 278 travels from Mississippi to Georgia across the northern third of Alabama. It enters near Sulligent, and takes a sharp northwesterly turn in Guin, towards Hamilton. From Hamilton, it moves east to Cullman and Gadsden before reaching Georgia.[82] [15][17][29][30][48][71][83][84]
US 80 218.621 miles (351.836 km) US 11 / US 80 at Mississippi state line near Cuba US 80 at the Chattahoochee River/Georgia state line in Phenix City Sumter, Marengo, Perry, Dallas, Lowndes, Montgomery, Macon, Lee, Russell US 80 traverses Alabama's Black Belt in the southern third of the state. It enters from Mississippi near I-20/I-59 and moves east, passing through Demopolis and Selma before reaching Montgomery. East of Montgomery, it travels to the south of Interstate 85, passing through Tuskegee and Phenix City before crossing the Chattahoochee River into Columbus, Georgia.[85] [8][23][24][34][35][64][69][86][87][88]
US 280 141.256 miles (227.329 km) I-20 / I-59 / US-31 in Birmingham US 280 / SR 520 at the Chattahoochee River/Georgia state line in Phenix City Jefferson, Shelby, Talladega, Coosa, Tallapoosa, Chambers, Lee, Russell US 280 begins in Birmingham and heads southeast, passing through Sylacauga and Alexander City before reaching Auburn and its suburb Opelika. Through Opelika, it is briefly signed with Interstate 85, before joining US 431 to Phenix City and Columbus, Georgia.[89] [11][13][28][35][36][58][64][90]
US 82 239.895 miles (386.074 km) US 82 at the Mississippi state line near Stafford US 82 at the Chattahoochee River/Georgia state line in Eufaula Pickens, Tuscaloosa, Bibb, Chilton, Autauga, Elmore, Montgomery, Bullock, Barbour US 82 cuts southeasterly across central Alabama. Entering from Columbus, Mississippi, it runs through Tuscaloosa on it way to Montgomery. It then runs through Union Springs before crossing into Georgia at Eufaula.[91] [10][24][25][26][27][46][53][63][92]
US 84 231.682 miles (372.856 km) US 84 at the Mississippi state line near Isney US 84 / SR 38 at the Chattahoochee River/Georgia state line near Alaga Choctaw, Clarke, Monroe, Conecuh, Covington, Coffee, Dale, Houston US 84 runs west to east across southern Alabama. From Mississippi, it heads southeasterly to Monroeville, then Andalusia and Opp. From Opp, it bears northeast in a semi-circular pattern to Elba and Enterprise. It then continues southeasterly to Dothan and Bainbridge, Georgia.[93] [21][50][56][57][68][94][95][96]
US 90 77.031 miles (123.969 km) US 90 at the Mississippi state line near Grand Bay US 90 at the Perdido River/Florida state line near Seminole Mobile, Baldwin US 90 enters from Mississippi near I-10, and follows I-10's general path into downtown Mobile. It crosses Mobile Bay with the Bankhead Tunnel and the Cochrane–Africatown USA Bridge. It continues east across Baldwin County, staying to the south of I-10 before crossing the Perdido River into Florida.[97] [5][6]
US 98 80.248 miles (129.147 km) US 98 at the Mississippi state line near Wilmer US 98 at the Perdido River/Florida state line near Lillian Mobile, Baldwin US 98 enters the state from Mississippi to the west of Wilmer, and bears southeast to downtown Mobile. It crosses Mobile Bay with the Bankhead Tunnel and the Cochrane–Africatown USA Bridge. Upon reaching Spanish Fort, it turns south and follows the eastern coast of the bay until Barnwell. It then turns due east, passing through Foley before crossing Perdido Bay into Florida.[98] [5][6]

Former routes

Route number Length Western / southern terminus Eastern / northern terminus Created Decommissioned Description References
US 241 359 miles (578 km) US-84 / SR-52 / SR-12 in Dothan, Alabama US-241 at the Tennessee state line near Fisk 1930 1954 US 241 was a north-south route in eastern Alabama. From Dothan, it followed the current US 431 north to Opelika, then followed US 280 to Sylacauga. From there, it followed Alabama State Route 21 to Anniston, and then US 431's current route through Huntsville to Tennessee. It was decommissioned in favor of US 280 and US 431 in 1954.[99] [3][100]

References

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