Interstate 20 (I‑20) is a major east–west

Interstate Highway The Dwight D. Eisenhower National System of Interstate and Defense Highways, commonly known as the Interstate Highway System, is a network of controlled-access highways that forms part of the National Highway System in the United States. Th ...

in the

Southern United States The Southern United States (sometimes Dixie, also referred to as the Southern States, the American South, the Southland, or simply the South) is a geographic and cultural region of the United States of America. It is between the Atlantic Ocean ...

. I-20 runs beginning at an interchange with

I-10 Interstate 10 (I-10) is the southernmost cross-country highway in the American Interstate Highway System. I-10 is the fourth-longest Interstate in the United States at , following I-90, I-80, and I-40. This freeway is part of the originally pl ...

Scroggins Draw, Texas Scroggins Draw is a valley in Reeves County, Texas, United States that is in the Fort Davis 79734 ZIP Code. The topicgraphical features are: * Latitude: 31.0912495 North * Longitude: -104.0524129 West * Elevation: 3963 Feet above MSL The loca ...

, and ending at an interchange with

I-95 Interstate 95 (I-95) is the main north–south Interstate Highway on the East Coast of the United States, running from US Route 1 (US 1) in Miami, Florida, to the Houlton–Woodstock Border Crossing between Maine and the Canadia ...

Florence, South Carolina Florence is a city in and the county seat of Florence County, South Carolina, United States. It lies at the intersection of Interstates 20 and 95 and is the eastern terminus of the former. It is the primary city within the Florence metropolit ...

. Between Texas and South Carolina, I-20 runs through northern Louisiana, Mississippi, Alabama, and Georgia. The major cities that I-20 connects to include

Dallas, Texas Dallas () is the third largest city in Texas and the largest city in the Dallas–Fort Worth metroplex, the fourth-largest metropolitan area in the United States at 7.5 million people. It is the largest city in and seat of Dallas County w ...

;

Shreveport, Louisiana Shreveport ( ) is a city in the U.S. state of Louisiana. It is the third most populous city in Louisiana after New Orleans and Baton Rouge, respectively. The Shreveport–Bossier City metropolitan area, with a population of 393,406 in 2020, is t ...

;

Jackson, Mississippi Jackson, officially the City of Jackson, is the Capital city, capital of and the List of municipalities in Mississippi, most populous city in the U.S. state of Mississippi. The city is also one of two county seats of Hinds County, Mississippi, ...

;

Birmingham, Alabama Birmingham ( ) is a city in the north central region of the U.S. state of Alabama. Birmingham is the seat of Jefferson County, Alabama's most populous county. As of the 2021 census estimates, Birmingham had a population of 197,575, down 1% fr ...

;

Atlanta, Georgia Atlanta ( ) is the capital and most populous city of the U.S. state of Georgia. It is the seat of Fulton County, the most populous county in Georgia, but its territory falls in both Fulton and DeKalb counties. With a population of 498,715 ...

; and

Columbia, South Carolina Columbia is the capital of the U.S. state of South Carolina. With a population of 136,632 at the 2020 census, it is the second-largest city in South Carolina. The city serves as the county seat of Richland County, and a portion of the city ...

. From its terminus at I-95, the highway continues about eastward into the city of Florence as Interstate Business 20.

Route description

, - , TX , , 636.08 , , 1023.67 , - , LA , , 189.87 , , 305.57 , - , MS , , 154.61 , , 248.82 , - , AL , , 214.7 , , 345.5 , - , GA , , 202.61 , , 326.07 , - , SC , , 141.51 , , 227.74 , - , Total , , 1539.4 , , 2477.4 I-20 runs from Texas to South Carolina serving major southern economic hubs such as Dallas–Fort Worth and

Atlanta Atlanta ( ) is the capital and most populous city of the U.S. state of Georgia. It is the seat of Fulton County, the most populous county in Georgia, but its territory falls in both Fulton and DeKalb counties. With a population of 498,715 ...

Texas

I-20 begins in Scroggins Draw at a fork with I-10. From there, the highway travels east-northeastward through

Odessa Odesa (also spelled Odessa) is the third most populous city and municipality in Ukraine and a major seaport and transport hub located in the south-west of the country, on the northwestern shore of the Black Sea. The city is also the administrativ ...

, Midland, and Abilene before turning eastward toward Dallas–Fort Worth. The

La Entrada al Pacifico LA most frequently refers to Los Angeles, the second largest city in the United States. La, LA, or L.A. may also refer to: Arts and entertainment Music * La (musical note), or A, the sixth note * "L.A.", a song by Elliott Smith on ''Figure ...

corridor runs along I-20 between

U.S. Route 385 U.S. Route 385 (US 385) is a spur of U.S. Route 85 that runs for 1,206 miles (1,941 km) from Deadwood, South Dakota to Big Bend National Park in Texas. Route description , - , TX , 545 , 877 , - , OK , 36 , 58 , - , CO , 317 , 510 ...

(US 385) and Farm to Market Road 1788 (FM 1788). Between Monahans and I-10, I-20 has an speed limit. From the highway's opening in the 1960s through 1977, I-20 originally went through the heart of the Metroplex via the

Dallas–Fort Worth Turnpike Interstate 30 (I-30) is a Interstate Highway in the southern states of Texas and Arkansas in the United States. I-30 travels from I-20 west of Fort Worth, Texas, northeast via Dallas, and Texarkana, Texas, to I-40 in North Little Rock, Ark ...

. This old route is now signed

I-30 i30, I30, i-30 or I-30 may refer to: *Interstate 30, an Interstate Highway in the southern United States *, an Imperial Japanese Navy submarine during World War II * (1940-1968), a Royal Australian Navy ''Tribal''-class destroyer *I30, a 9000 serv ...

(Dallas–Fort Worth Turnpike and from US 80/I-30 intersection at Mesquite to downtown Dallas), US 80 (former stretch between I-635 and

Terrell Terrell, Terell, Terrel, or Terrelle may refer to: Places United States *Terrell, Georgia, unincorporated community *Terrell, North Carolina, unincorporated community in Catawba County, North Carolina, United States *Terrell, Texas, city in Kau ...

), and State Highway Spur 557 (Spur 557, bypass around Terrell). In 1977, I-20 was rerouted to go through the southern sections of Fort Worth, Arlington,

Grand Prairie Grand Prairie is a city in Dallas, Tarrant, and Ellis counties of Texas, in the United States. It is part of the Mid-Cities region in the Dallas–Fort Worth metroplex. It had a population of 175,396 according to the 2010 census, making it th ...

Dallas Dallas () is the List of municipalities in Texas, third largest city in Texas and the largest city in the Dallas–Fort Worth metroplex, the List of metropolitan statistical areas, fourth-largest metropolitan area in the United States at 7.5 ...

, and

Mesquite Mesquite is a common name for several plants in the genus ''Prosopis'', which contains over 40 species of small leguminous trees. They are native to dry areas in the Americas. They have extremely long roots to seek water from very far under grou ...

. It split off from the old route initially at I-820 in west Fort Worth the later on at its current junction near Aledo in Parker County. It rejoins the old route near Terrell. Part of I-20 in Dallas used to be signed as I-635 and shares the Lyndon B. Johnson Freeway name with the remainder of I-635. Parts on the south side of Fort Worth were originally signed as I-820. I-20 continues eastward from Terrell, bypassing

Tyler Tyler may refer to: People and fictional characters * Tyler (name), an English name; with lists of people with the surname or given name * Tyler, the Creator (born 1991), American rap artist and producer * John Tyler, 10th president of the United ...

, Longview, and

Marshall Marshall may refer to: Places Australia * Marshall, Victoria, a suburb of Geelong, Victoria Canada * Marshall, Saskatchewan * The Marshall, a mountain in British Columbia Liberia * Marshall, Liberia Marshall Islands * Marshall Islands, an i ...

before crossing the Louisiana border near Waskom.

Louisiana

Louisiana Louisiana , group=pronunciation (French: ''La Louisiane'') is a state in the Deep South and South Central regions of the United States. It is the 20th-smallest by area and the 25th most populous of the 50 U.S. states. Louisiana is borde ...

, I-20 roughly parallels US 80 through the northern part of the state. Entering the state from near

Waskom, Texas Waskom is a city in the U.S. state of Texas with a 2020 census-tabulated population of 1,910, down from 2,160 residents in 2010. It is located in Harrison County and lies approximately east of the county seat, Marshall, on U.S. Route 80 and ...

, the highway immediately enters the

Shreveport Shreveport ( ) is a city in the U.S. state of Louisiana. It is the third most populous city in Louisiana after New Orleans and Baton Rouge, Louisiana, Baton Rouge, respectively. The Shreveport–Bossier City metropolitan area, with a population o ...

–

Bossier City Bossier City ( ) is a city in Bossier Parish in the northwestern region of the U.S. state of Louisiana in the United States. It is the second most populous city in the Shreveport–Bossier City metropolitan statistical area. In 2020, it had a ...

metropolitan area, intersecting

I-49 Interstate 49 (I-49) is a north–south Interstate Highway that exists in multiple segments: the original portion entirely within the state of Louisiana with an additional signed portion extending from Interstate 220 (Louisiana), I-220 in S ...

near downtown Shreveport and passing close to

Barksdale Air Force Base Barksdale Air Force Base (Barksdale AFB) is a United States Air Force (USAF) base in northwest Louisiana, United States, in Bossier Parish. It is contiguous to Bossier City, Louisiana, along the base's western and northwestern edge. Barksdale AFB ...

in Bossier City. I-20 traverses mainly rural, hilly terrain, bypassing

Minden Minden () is a middle-sized town in the very north-east of North Rhine-Westphalia, Germany, the greatest town between Bielefeld and Hanover. It is the capital of the district (''Kreis'') of Minden-Lübbecke, which is part of the region of Detm ...

Grambling Grambling State University (GSU, Grambling, or Grambling State) is a public historically black university in Grambling, Louisiana. Grambling State is home of the Eddie G. Robinson Museum and is listed on the Louisiana African American Heritag ...

, and Ruston before reaching Monroe. From Monroe, I-20 enters flatter terrain as it approaches the

Mississippi River The Mississippi River is the second-longest river and chief river of the second-largest drainage system in North America, second only to the Hudson Bay drainage system. From its traditional source of Lake Itasca in northern Minnesota, it f ...

. Before crossing the Mississippi, the highway passes Tallulah. At the Mississippi River, I-20 leaves Louisiana and enters

Vicksburg Vicksburg most commonly refers to: * Vicksburg, Mississippi, a city in western Mississippi, United States * The Vicksburg Campaign, an American Civil War campaign * The Siege of Vicksburg, an American Civil War battle Vicksburg is also the name of ...

Mississippi

Upon entering Mississippi by crossing the

, I-20 immediately enters

. Between Edwards and Clinton, the highway mostly follows the original two-lane routing of US 80. In Jackson, I-20 sees a short concurrency with both

I-55 Interstate 55 (I-55) is a major Interstate Highway in the central United States. As with most primary Interstates that end in a five, it is a major cross-country, north–south route, connecting the Gulf of Mexico to the Great Lakes. The h ...

and US 49. Also in Jackson is an unusually expansive

stack interchange A directional interchange, colloquially known as a stack interchange, is a type of grade-separated junction between two controlled-access highways that allows for free-flowing movement to and from all directions of traffic. These interchanges e ...

, at the

junction Junction may refer to: Arts and entertainment * ''Junction'' (film), a 2012 American film * Jjunction, a 2002 Indian film * Junction (album), a 1976 album by Andrew Cyrille * Junction (EP), by Basement Jaxx, 2002 * Junction (manga), or ''Hot ...

of I-20, I-55 North, and US 49 South. The interchange replaces a former directional interchange at I-55 North and a cloverleaf at US 49. From the Stack, I-20 continues eastward to

Meridian Meridian or a meridian line (from Latin ''meridies'' via Old French ''meridiane'', meaning “midday”) may refer to Science * Meridian (astronomy), imaginary circle in a plane perpendicular to the planes of the celestial equator and horizon * ...

, where it begins the nearly overlap with

I-59 Interstate 59 (I-59) is an Interstate Highway located in the southeastern United States. It is a north–south route that spans from a junction with I-10 and I-12 at Slidell, Louisiana, to a junction with I-24 near Wildwood, Georgia. ...

. The route of the Mississippi section of I-20 is defined in Mississippi Code § 65-3-3.

Alabama

I-20 (along with I-59) crosses the Alabama state line near York, and it stays conjoined as it passes through western Alabama and

Tuscaloosa Tuscaloosa ( ) is a city in and the seat of Tuscaloosa County in west-central Alabama, United States, on the Black Warrior River where the Gulf Coastal and Piedmont plains meet. Alabama's fifth-largest city, it had an estimated population of 1 ...

. At

Birmingham Birmingham ( ) is a city and metropolitan borough in the metropolitan county of West Midlands in England. It is the second-largest city in the United Kingdom with a population of 1.145 million in the city proper, 2.92 million in the West ...

, the two highways pass through downtown together before splitting at exit 130 just east of the

Birmingham airport Birmingham Airport , formerly ''Birmingham International Airport'', is an international airport located east-southeast of Birmingham city centre, west-northwest of Coventry slightly north of Bickenhill village, in the Metropolitan Borou ...

. I-20 continues eastward through

Oxford Oxford () is a city in England. It is the county town and only city of Oxfordshire. In 2020, its population was estimated at 151,584. It is north-west of London, south-east of Birmingham and north-east of Bristol. The city is home to the ...

Anniston, Alabama Anniston is the county seat of Calhoun County in Alabama and is one of two urban centers/principal cities of and included in the Anniston-Oxford Metropolitan Statistical Area. As of the 2010 census, the population of the city was 23,106. Acco ...

, and the Talladega National Forest, passing by the

Talladega Superspeedway Talladega Superspeedway, nicknamed “'Dega”, and formerly named Alabama International Motor Speedway (AIMS) from 1969 to 1989, is a motorsports complex located north of Talladega, Alabama. It is located on the former Anniston Air Force Base ...

in the process, which is visible from the highway. Also in Birmingham, the intersection of I-20 / I-59 and

I-65 Interstate 65 (I-65) is a major north–south 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 the Great Lakes and the Gulf ...

was known as a Malfunction Junction because of the interchange's somewhat-confusing design, and the number of traffic accidents that occurred there. This section of the Interstate and its interchanges have since been reconfigured.

Georgia

I-20 enters Georgia near Tallapoosa and after passing through western Georgia, it enters the

Atlanta metropolitan area Metro Atlanta, designated by the United States Office of Management and Budget as the Atlanta–Sandy Springs–Alpharetta, GA Metropolitan Statistical Area, is the most populous metropolitan statistical area in the U.S. state of Georgia and the ...

. On clear days, eastbound motorists get their first view of

downtown Atlanta Downtown Atlanta is the central business district of Atlanta, Georgia, United States. The larger of the city's two other commercial districts ( Midtown and Buckhead), it is the location of many corporate and regional headquarters; city, county, s ...

as they come over the top of the

Six Flags Hill Six Flags Hill is a hill located on Interstate 20 west of Atlanta, Georgia. It is about a mile west of the Six Flags Over Georgia theme park, and is a major reference point for Atlanta radio and television traffic reporters. Motorists travel ...

. The

Six Flags Over Georgia Six Flags Over Georgia is a theme park located in Mableton, Georgia. Opened in 1967, it is the second park in the Six Flags chain following the original Six Flags Over Texas, which opened in 1961. Six Flags Over Georgia is one of three parks ...

amusement park is easily visible off exit 46 eastbound. The highway then passes through the center of

, meeting with

I-75 Interstate 75 (I-75) is a major north–south Interstate Highway in the Great Lakes and Southeastern regions of the United States. As with most Interstates that end in 5, it is a major cross-country, north–south route, traveling from St ...

and

I-85 Interstate 85 (I-85) is a major Interstate Highway in the Southeastern United States. Its southern terminus is at an interchange with Interstate 65, I-65 in Montgomery, Alabama; its northern terminus is an interchange with Interstate 95, I ...

, which share a common expressway (the "

Downtown Connector In Downtown Atlanta, the Downtown Connector or 75/85 (pronounced "seventy-five eighty-five") is the concurrent section of Interstate 75 and Interstate 85 through the core of the city. Beginning at the I-85/ Langford Parkway interchange, ...

"). It continues through Metropolitan Atlanta eastward and through the eastern half of Georgia until it exits the state, crossing the

Savannah River The Savannah River is a major river in the southeastern United States, forming most of the border between the states of South Carolina and Georgia. Two tributaries of the Savannah, the Tugaloo River and the Chattooga River, form the norther ...

at Augusta. Throughout the state, I-20 is conjoined with unsigned State Route 402 (SR 402). Also, I-20 from the Alabama state line to I-285 in Atlanta is named the "Tom Murphy Freeway", but it is called the "Ralph David Abernathy Freeway" within I-285. The Interstate Highway is also named the Purple Heart Highway from I-285 in DeKalb County to US 129/ US 441/ SR 24 in

Madison, Georgia Madison is a city in Morgan County, Georgia, United States. It is part of the Atlanta-Athens-Clarke-Sandy Springs Combined Statistical Area. The population was 3,979 at the 2010 census. The city is the county seat of Morgan County and the si ...

, and it is called the Carl Sanders Highway from US 129/US 441/SR 24 to the South Carolina state line.

South Carolina

Upon leaving Augusta, I-20 crosses the

and enters the Palmetto State and heads northeastward, bypassing Aiken and Lexington before reaching the state capital of Columbia, which can be reached most directly by taking I-26 east at exit 64 ("Malfunction Junction"), then, almost immediately, I-126/ US 76. At Columbia, I-20 bypasses the city to the north and again turns northeastward, bypassing Fort Jackson and Camden. After crossing the

Wateree River } The Wateree River, about 75 mi (120 km) long, is a tributary of the Santee River in central South Carolina in the United States, which flows to the Atlantic Ocean. It was named for the Wateree Native Americans, a tribe who had migrate ...

, it turns due east, passes by tiny Bishopville, before reaching the

Florence Florence ( ; it, Firenze ) is a city in Central Italy and the capital city of the Tuscany region. It is the most populated city in Tuscany, with 383,083 inhabitants in 2016, and over 1,520,000 in its metropolitan area.Bilancio demografico an ...

area. It is near Florence where I-20 sees its eastern terminus at

. However, for about , the highway continues into Florence as I-20 Bus. I-20 in the Palmetto State is known as either the J. Strom Thurmond Freeway or John C. West Freeway. The first section to be completed was the

bridge A bridge is a structure built to span a physical obstacle (such as a body of water, valley, road, or rail) without blocking the way underneath. It is constructed for the purpose of providing passage over the obstacle, which is usually somethi ...

over the Savannah River in 1965; the last, the section between US 401 and I-95 (including the business spur), opened in August 1975.

History

I-20 was built in 1957 connecting Texas to the east coast running through Shreveport La, Ruston La, and Monroe La making it their first Interstate. I-20's exit numbers in Georgia were changed in 2000.

Future

In 2003, the

North Carolina Department of Transportation The North Carolina Department of Transportation (NCDOT) is responsible for building, repairing, and operating highways, bridges, and other modes of transportation, including ferries in the U.S. state of North Carolina. History The North Carolina ...

proposed extending I-20 eastward from Florence to Wilmington at the behest of North Carolina Governor Mike Easley and his 'Strategic Transportation Plan' for the southeast portion of the state. The proposed route would follow US 76 east from Florence to

Whiteville, North Carolina Whiteville is a city in Columbus County, North Carolina, United States. The population was 5,394 at the 2010 census. It is the largest city in Columbus County and is the county seat. History Columbus County was created in 1808. In 1810, a commun ...

, then parallel US 74/US 76 into Wilmington. Part of this route is already designated the future eastern extension of

I-74 } Interstate 74 (I-74) is an Interstate Highway in the Midwestern and Southeastern United States. Its western end is at an interchange with I-80 in Davenport, Iowa (Quad Cities); the eastern end of its Midwest segment is at an interchang ...

. As part of the 2005 SAFETEA-LU transportation legislation, North Carolina received $5 million for a feasibility study for this extension. While this extension has considerable support among towns in southeastern North Carolina, the South Carolina DOT has stated that they have no interest in upgrading their portion of US 76 to an Interstate. Instead, South Carolina is concentrating their efforts on plans to build

I-73 Interstate 73 (I-73) is a north–south Interstate Highway, located within the US state of North Carolina. Currently, there is one continuous section of I-73, totaling , first traversing the U.S. Route 220 (US 220) freeway from ...

that will terminate near Myrtle Beach. This proposed extension is currently unfunded.

Junction list

;Texas : at Scroggins Draw : in Pecos : in

: in Big Spring : east of Roscoe. The highways travel concurrently to the Tye– Abilene city line. : in Abilene : in Baird : in

Cisco Cisco Systems, Inc., commonly known as Cisco, is an American-based multinational digital communications technology conglomerate corporation headquartered in San Jose, California. Cisco develops, manufactures, and sells networking hardware, ...

: south-southeast of Brazos : in Hudson Oaks : northeast of Aledo : in

Fort Worth Fort Worth is the fifth-largest city in the U.S. state of Texas and the 13th-largest city in the United States. It is the county seat of Tarrant County, covering nearly into four other counties: Denton, Johnson, Parker, and Wise. According ...

: in Fort Worth : in Benbrook : in Fort Worth : in Fort Worth. I-20/US 287 travels concurrently to Arlington. : in

: in

: on the Dallas– Lancaster city line : on the Dallas– Hutchins city line : on the Dallas– Balch Springs city line : in Balch Springs : in Lindale : south-southeast of Winona : northeast of

Kilgore Kilgore may refer to: Fictional characters * Kilgore Trout, a recurring character in the novels of Kurt Vonnegut * Lt. Colonel Bill Kilgore, a character in the Francis Ford Coppola movie ''Apocalypse Now'' * Teddybear Kilgore (AKA Kilgour), a cha ...

. The highways travel concurrently to Longview. : in

: west-southwest of Jonesville. The highways travel concurrently to west of

Waskom Waskom is a city in the U.S. state of Texas with a 2020 census-tabulated population of 1,910, down from 2,160 residents in 2010. It is located in Harrison County and lies approximately east of the county seat, Marshall, on U.S. Route 80 and ...

. ;Louisiana : in Greenwood : in

: in Shreveport : in Shreveport : in Shreveport : in Shreveport : in Shreveport. The highways travel concurrently to

. : in Bossier City : near Haughton : in Dixie Inn. The highways travel concurrently to

. : southeast of Minden : in Ruston : east-northeast of

Calhoun John C. Calhoun (1782–1850) was the 7th vice president of the United States. Calhoun can also refer to: Surname * Calhoun (surname) Inhabited places in the United States *Calhoun, Georgia *Calhoun, Illinois * Calhoun, Kansas * Calhoun, Kentuc ...

: in Monroe : in Rayville : in Tallulah : in

Delta Delta commonly refers to: * Delta (letter) (Δ or δ), a letter of the Greek alphabet * River delta, at a river mouth * D ( NATO phonetic alphabet: "Delta") * Delta Air Lines, US * Delta variant of SARS-CoV-2 that causes COVID-19 Delta may also ...

. The highways travel concurrently to

Clinton, Mississippi Clinton is a city in Hinds County, Mississippi, United States. Situated in the Jackson metropolitan area, it is the tenth largest city in Mississippi. The population was 28,100 at the 2020 United States census. History Founded in 1823, Clinto ...

. ;Mississippi : in

. The highways travel concurrently through Vicksburg. : in

Jackson Jackson may refer to: People and fictional characters * Jackson (name), including a list of people and fictional characters with the surname or given name Places Australia * Jackson, Queensland, a town in the Maranoa Region * Jackson North, Qu ...

. I-20/US 49 travels concurrently to

Pearl A pearl is a hard, glistening object produced within the soft tissue (specifically the mantle) of a living shelled mollusk or another animal, such as fossil conulariids. Just like the shell of a mollusk, a pearl is composed of calcium carb ...

. : in Jackson. I-20/I-55 travels concurrently to Richland : in

Brandon Brandon may refer to: Names and people *Brandon (given name), a male given name *Brandon (surname), a surname with several different origins Places Australia *Brandon, a farm and 19th century homestead in Seaham, New South Wales *Brandon, Q ...

: in Brandon : east-southeast of

Lake A lake is an area filled with water, localized in a basin, surrounded by land, and distinct from any river or other outlet that serves to feed or drain the lake. Lakes lie on land and are not part of the ocean, although, like the much large ...

: west-southwest of

. The highways travel concurrently to Meridian. : in Meridian. The highways travel concurrently to

. : in Meridian. The highways travel concurrently through Meridian. : in Meridian : west-northwest of Kewanee ;Alabama : near

Cuba Cuba ( , ), officially the Republic of Cuba ( es, República de Cuba, links=no ), is an island country comprising the island of Cuba, as well as Isla de la Juventud and several minor archipelagos. Cuba is located where the northern Caribbea ...

: south of

Knoxville Knoxville is a city in and the county seat of Knox County in the U.S. state of Tennessee. As of the 2020 United States census, Knoxville's population was 190,740, making it the largest city in the East Tennessee Grand Division and the state's ...

: in

: in Tuscaloosa : in Tuscaloosa : in Tuscaloosa : south of Lake View. The highways travel concurrently to Bessemer. : southwest of McCalla : in Birmingham : in Birmingham : in Birmingham : in Birmingham : in Irondale : in

Leeds Leeds () is a city and the administrative centre of the City of Leeds district in West Yorkshire, England. It is built around the River Aire and is in the eastern foothills of the Pennines. It is also the third-largest settlement (by populati ...

: on the Leeds– Moody line : northwest of Cooks Springs. The highways travel concurrently to

Pell City Pell City is a city in and one of the county seats of St. Clair County, Alabama, United States, other seat being Ashville. At the 2020 census, the population was 12,939. At the 2010 census, the city-limit population jumped to 12,695. It was hom ...

. : in Pell City : in

Riverside Riverside may refer to: Places Australia * Riverside, Tasmania, a suburb of Launceston, Tasmania Canada * Riverside (electoral district), in the Yukon * Riverside, Calgary, a neighbourhood in Alberta * Riverside, Manitoba, a former rural m ...

: east of

;Georgia : in

Bremen Bremen (Low German also: ''Breem'' or ''Bräm''), officially the City Municipality of Bremen (german: Stadtgemeinde Bremen, ), is the capital of the German state Free Hanseatic City of Bremen (''Freie Hansestadt Bremen''), a two-city-state consis ...

: in

: in Atlanta : in Atlanta : on the Panthersville– Candler-McAfee CDP line : southeast of

Lithonia Lithonia (, ; AAVE: ) is a city in eastern DeKalb County, Georgia, United States. The city's population was 2,662 at the 2020 census. Lithonia is in the Atlanta metropolitan area. "Lithonia" means "city/town of stone". Lithonia is in the hear ...

. The highways travel concurrently to Covington. : in

Social Circle In the social sciences, a social group can be defined as two or more people who interact with one another, share similar characteristics, and collectively have a sense of unity. Regardless, social groups come in a myriad of sizes and varieties ...

: in

Madison Madison may refer to: People * Madison (name), a given name and a surname * James Madison (1751–1836), fourth president of the United States Place names * Madison, Wisconsin, the state capital of Wisconsin and the largest city known by this ...

: in

Barnett Barnett is both a surname and a masculine given name. Notable people with the name include: Surname Barnett is an Anglo-Saxon and Old French surname that came after the Norman Invasion.The original Anglo-Saxon spelling is baernet which means'the ...

: north of

Thomson Thomson may refer to: Names * Thomson (surname), a list of people with this name and a description of its origin * Thomson baronets, four baronetcies created for persons with the surname Thomson Businesses and organizations * SGS-Thomson Mic ...

: south of Appling : in Augusta ;South Carolina : in North Augusta : in North Augusta : north-northeast of Aiken : southeast of

Batesburg-Leesville Batesburg-Leesville is a town located in Lexington and Saluda counties, South Carolina, United States. The town's population was 5,362 as of the 2010 census and an estimated 5,415 in 2019. History The town of Batesburg-Leesville was formed in ...

: east of Lexington : north of Oak Grove : on the Seven Oaks– St. Andrews CDP line : in St. Andrews : north of Columbia : in Columbia : in Dentsville : on the Dentsville– Woodfield CDP line : in Lugoff : in Camden : southwest of Bishopville : northeast of Lamar : in

Auxiliary routes

Two I-420s were planned, but never completed or built. One was to be a bypass around

Monroe, Louisiana Monroe (historically french: Poste-du-Ouachita) is the eighth-largest city in the U.S. state of Louisiana, and parish seat of Ouachita Parish. With a 2020 census-tabulated population of 47,702, it is the principal city of the Monroe metropolita ...

, but was never built. The other I-420 was planned as a bypass to the south of

Downtown Atlanta Downtown Atlanta is the central business district of Atlanta, Georgia, United States. The larger of the city's two other commercial districts ( Midtown and Buckhead), it is the location of many corporate and regional headquarters; city, county, s ...

. Due to anti-freeway sentiments, this I-420 was never completed, and the already-built portion has been signed as SR 154/SR 166, named

Langford Parkway Langford may refer to: Places Australia * Langford, Western Australia Canada * Langford, British Columbia, on Vancouver Island * Rural Municipality of Langford, Manitoba England * Langford, Bedfordshire * Langford, Essex * Langford, Norfolk * ...

(formerly the Lakewood Freeway). *

I-220 Interstate 220 (I-220) is the designation for two Interstate Highways in the United States, both related to Interstate 20: *Interstate 220 (Mississippi), a bypass of Jackson, Mississippi *Interstate 220 (Louisiana) Interstate 220 (I-220) in L ...

Augusta, Georgia Augusta ( ), officially Augusta–Richmond County, is a consolidated city-county on the central eastern border of the U.S. state of Georgia (U.S. state), Georgia. The city lies across the Savannah River from South Carolina at the head of its navig ...

I-520 Interstate 520 (I-520) is a auxiliary Interstate Highway that encircles most of Augusta, Georgia, and North Augusta, South Carolina, as a three-quarter beltway around the western, southern, and eastern parts of the main part of the Augus ...

Fort Worth, Texas Fort Worth is the fifth-largest city in the U.S. state of Texas and the 13th-largest city in the United States. It is the county seat of Tarrant County, covering nearly into four other counties: Denton, Johnson, Parker, and Wise. According ...

: I-820

References

External links

*
I-20 on Interstate-Guide.com

{{DEFAULTSORT:I20 20

Route description

Texas

Louisiana

Mississippi

Alabama

Georgia

South Carolina

History

Future

Junction list

Auxiliary routes

See also

References

External links