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"I-20" redirects here. For other uses, see I-20 (disambiguation).
Interstate 20
Main route of the Interstate Highway System
Length: 1539. The Dwight D Eisenhower National System of Interstate and Defense Highways, commonly called the Interstate Highway System (or simply the Interstate System) 38 mi[1][2] (2477. A mile is a unit of Length, usually used to measure Distance, in a number of different systems including Imperial units United States 4 km)
Formed: 1957
West end: I-10 near Kent, TX
Major
junctions:		 I-30 near Fort Worth, TX
I-35W in Fort Worth, TX
I-35E in Dallas, TX
I-45 in Dallas, TX
I-55 in Jackson, MS
I-65 in Birmingham, AL
I-75/I-85 in Atlanta, GA
East end: I-95/BS 20 near Florence, SC

Interstate 20 (abbreviated I-20) is a major east-west interstate highway in the southeastern United States. The kilometre ( American spelling: kilometer) symbol km is a unit of Length in the Metric system, equal to one thousand In the US state of Texas, Interstate 10 is the major east-west Interstate Highway in the Southern United States. Kent is an unincorporated village in Culberson County, Texas, United States. In the US state of Texas, Interstate 30 (abbreviated I-30 is an east-west Interstate Highway that runs from I-20 west of Fort Worth Fort Worth is the fifth-largest city in the state of Texas and the seventeenth-largest city in the United States. Interstate 35W (abbreviated I-35W) an Interstate highway, is the western half of Interstate 35 where it splits to serve different cities in Texas Fort Worth is the fifth-largest city in the state of Texas and the seventeenth-largest city in the United States. Interstate 35E (abbreviated I-35E) an Interstate highway, is the eastern half of Interstate 35 where it splits to serve different cities in Texas Interstate 45 (I-45 is an Interstate Highway located entirely within the U Interstate 55 (I-55 is an Interstate highway in the central United States. Interstate 65 (I-65 is a major Interstate Highway in the United States. Birmingham (ˈbɝmɪŋhæm is the largest City in the US state of Alabama and is the County seat of Jefferson County. Interstate 75 (I-75 is a major north-south Interstate Highway in the midwest and southeastern United States. Interstate 85 (I-85 is an Interstate highway in the southeastern United States. Interstate 95 is a major Interstate highway, running along the East Coast of the United States from Florida to Maine Business Spur Interstate 20 is a spur route that acts as a brief extension of Interstate 20 from its eastern terminus at the interchange with Interstate 95 in Florence is the largest city in and the County seat of Florence County, South Carolina, United States. The Dwight D Eisenhower National System of Interstate and Defense Highways, commonly called the Interstate Highway System (or simply the Interstate System) The United States of America —commonly referred to as the I-20 runs 1,535 miles (2,470 km) from near Kent, Texas, at Interstate 10 to Florence, South Carolina, at Interstate 95. Kent is an unincorporated village in Culberson County, Texas, United States. Interstate 10 ( I-10) is the southernmost east-west coast-to-coast Interstate highway in the United States. Florence is the largest city in and the County seat of Florence County, South Carolina, United States. Interstate 95 is a major Interstate highway, running along the East Coast of the United States from Florida to Maine [3] Between Texas and South Carolina, I-20 runs through northern Louisiana, central Mississippi, western and north-central Alabama, and north-central Georgia. The State of Louisiana ( or, État de Louisiane, pronounced) is a state located in the southern region of the United States of America Mississippi ( is a state located in the Deep South of the United States Alabama (formally the State of Alabama;) is a State located in the southern region of the United States of America. The State of Georgia ( is a state in the United States and was one of the original Thirteen Colonies that revolted against British rule

From its terminus at I-95, the highway continues about two miles eastward into the city of Florence as Business Spur 20. Business Spur Interstate 20 is a spur route that acts as a brief extension of Interstate 20 from its eastern terminus at the interchange with Interstate 95 in

Contents

Route description

Texas

See also: Interstate 20 in Texas
Lengths
mi[1] km
TX 636. Interstate 20 in Texas (abbreviated I-20 or IH-20) is a major east-west Interstate highway in the Southern United States, running A mile is a unit of Length, usually used to measure Distance, in a number of different systems including Imperial units United States The kilometre ( American spelling: kilometer) symbol km is a unit of Length in the Metric system, equal to one thousand Interstate 20 in Texas (abbreviated I-20 or IH-20) is a major east-west Interstate highway in the Southern United States, running 08 1023. 67
LA 189. In Louisiana, Interstate 20 roughly parallels US 80 through the northern part of the state 87 305. 57
MS 154. Interstate 20 is a major thoroughfare through central Mississippi, connecting the area with major metropolitan areas including Dallas Texas, Atlanta Georgia 61 248. 82
AL 214. In Alabama, Interstate 20 travels 2147 miles through the center of the state 7 345. 5
GA 202. In Georgia, Interstate 20 runs from the Alabama border to the Savannah River, which the Georgia- South Carolina border straddles 61 326. 07
SC 141. Interstate 20 is a major thoroughfare cutting across the state of South Carolina, linking the state with important transportation and business hubs to the north west and south 51 227. 74
Total 1539. 4 2477. 4
Major cities
Bolded cities are officially-designated control cities for signs[4]

Interstate 20 begins 10 miles east of Kent at the intersection with Interstate 10. A control city is a city or locality posted on a Traffic sign indicating forward destinations on a certain route Interstate 10 ( I-10) is the southernmost east-west coast-to-coast Interstate highway in the United States. Odessa is a city in Ector and Midland Counties in the US state of Texas. Midland is a city in and the County seat of Midland County located on the Southern Plains of the western area of the U Abilene ( "ABBA-leen") is a city in Jones and Taylor Counties in the central part of the U Fort Worth is the fifth-largest city in the state of Texas and the seventeenth-largest city in the United States. Tyler is a city in and the County seat of Smith County, Texas in the United States. Lindale is a town in Smith County, Texas, United States. The town had an estimated population of 5024 in 2006 Longview is a city in Gregg and Harrison Counties in the US state of Texas. Shreveport is the third-largest city and the principal city of the third largest Metropolitan area in the U Monroe is a city in and the Parish seat of Ouachita Parish, Louisiana, United States. Vicksburg is a city in Warren County, Mississippi, United States. Meridian is a city in Lauderdale County, Mississippi, United States. Tuscaloosa is a city in west central Alabama in the southern United States. Birmingham (ˈbɝmɪŋhæm is the largest City in the US state of Alabama and is the County seat of Jefferson County. Oxford is a city in Calhoun and Talladega counties in the US state of Alabama. Augusta Georgia is a city in Richmond County, Georgia, United States. Columbia is the state capital and largest city in the US state of South Carolina. Florence is the largest city in and the County seat of Florence County, South Carolina, United States. From there, the highway travels east-northeastward through Odessa, Midland and Abilene before turning eastward towards the Dallas/Fort Worth Metroplex. Odessa is a city in Ector and Midland Counties in the US state of Texas. Midland is a city in and the County seat of Midland County located on the Southern Plains of the western area of the U Abilene ( "ABBA-leen") is a city in Jones and Taylor Counties in the central part of the U The Dallas – Fort Worth – Arlington metropolitan area, a title designated by the U The La Entrada al Pacifico corridor runs along I-20 between U.S. Route 385 and FM 1788. The La Entrada al Pacífico trade corridor was designated as "Trade Corridor 56" by the Intermodal Surface Transportation Efficiency Act. US Route 385 is a spur of US Route 85. It currently runs for 1206 miles (1941 km from Deadwood South Dakota to Big Bend National Park in Texas Farm to Market Road 1788 FM 1788 is a Farm to Market Road in West Texas Between Monahans and I-10, I-20 has an 80 mph (130 km/h) speed limit, the highest in the United States. Monahans is a city in Ward County in the US state of Texas. The population was 6821 at the 2000 census

From the highway's opening in the 1960s through 1971, I-20 originally went through the heart of the Metroplex via the Dallas-Fort Worth Turnpike. In the US state of Texas, Interstate 30 (abbreviated I-30 is an east-west Interstate Highway that runs from I-20 west of Fort Worth This old route is now signed Interstate 30 (Dallas-Fort Worth Turnpike), U.S. Route 80 (former stretch between I-635 and Terrell) and Texas Spur 557 (bypass around Terrell). US Route 80 is an east-west United States highway. As the "0" in the route number indicates it was originally a cross-country route from the Atlantic Terrell is a city in Kaufman County, Texas, United States. As of the 2000 census, the city population was 13606 Spur 557 is a Spur route in the city of Terrell in the US state of Texas.

In 1987, I-20 was rerouted to go through the southern sections of Fort Worth, Arlington, Grand Prairie, Dallas, and Mesquite before rejoining its original route at Terrell. Arlington is a Suburb of Fort Worth in Tarrant County, Texas ( USA) within the Dallas-Fort Worth-Arlington metropolitan area Grand Prairie is a city in Dallas, Ellis, and Tarrant Counties in the U Mesquite is a city in Dallas and Kaufman Counties in the US state of Texas and a Suburb of Dallas. Part of I-20 in Dallas is named the Lyndon B. Johnson Freeway and used to be signed as I-635.

Interstate 20 continues eastward from Terrell, bypassing Tyler, Marshall, and Longview before crossing the Louisiana border near Waskom. Tyler is a city in and the County seat of Smith County, Texas in the United States. Marshall is a city of the northeastern region of the US state of Texas. Longview is a city in Gregg and Harrison Counties in the US state of Texas.

Louisiana

See also: Interstate 20 in Louisiana

In Louisiana, I-20 roughly parallels U.S. Route 80 through the northern part of the state. In Louisiana, Interstate 20 roughly parallels US 80 through the northern part of the state The State of Louisiana ( or, État de Louisiane, pronounced) is a state located in the southern region of the United States of America US Route 80 is an east-west United States highway. As the "0" in the route number indicates it was originally a cross-country route from the Atlantic

Entering the state from near Waskom, Texas, the highway immediately enters the Shreveport-Bossier City metropolitan area, intersecting Interstate 49 near downtown Shreveport and passing close to Barksdale Air Force Base in Bossier city. Waskom is a city in Harrison County, Texas, United States. It lies about 20 miles east of the county seat Marshall, on U Shreveport is the third-largest city and the principal city of the third largest Metropolitan area in the U Bossier City (Ville de Bossier is a City in Bossier Parish, Louisiana, United States. Interstate 49 (I-49 is an intrastate Interstate highway located entirely within the state of Louisiana in the southern United States. Barksdale Air Force Base is a United States Air Force base located three Nautical miles (6 km) east of the Central business district of

From that area, the highway traverses mainly rural, hilly terrain, bypassing Minden, Ruston and Grambling before reaching Monroe. Minden is a city in and the Parish seat of Webster Parish, Louisiana, United States. Ruston is a city in and the Parish seat of Lincoln Parish, Louisiana, United States. Grambling is a town in Lincoln Parish, Louisiana, United States. Monroe is a city in and the Parish seat of Ouachita Parish, Louisiana, United States.

From Monroe, I-20 enters flatter terrain as it approaches the Mississippi River. The Mississippi River is the second longest River in the United States, with a length of from its source in Lake Itasca in Minnesota to Before crossing the Mississippi, the highway passes Tallulah. Tallulah is a city in and the Parish seat of Madison Parish, Louisiana, United States. At the Mississippi River, I-20 leaves Louisiana and enters Vicksburg, Mississippi. Vicksburg is a city in Warren County, Mississippi, United States.

Mississippi

See also: Interstate 20 in Mississippi

Upon crossing the Mississippi River, I-20 immediately enters Vicksburg. Interstate 20 is a major thoroughfare through central Mississippi, connecting the area with major metropolitan areas including Dallas Texas, Atlanta Georgia Vicksburg is a city in Warren County, Mississippi, United States. Between Edwards and Clinton, the highway mostly follows the original two-lane routing of U.S. Route 80. Clinton is a city in Hinds US Route 80 is an east-west United States highway. As the "0" in the route number indicates it was originally a cross-country route from the Atlantic In Jackson, I-20 sees a short concurrency with both Interstate 55 and U.S. Route 49. Interstate 55 (I-55 is an Interstate highway in the central United States. US Route 49 is a north-south United States highway. The highway's northern terminus is in Piggott Arkansas, at an intersection with U Also in Jackson is a fairly low-rise but expansive stack interchange, at the junction of I-20, I-55 North and U. S. 49 South. From the Stack, I-20 continues eastward to Meridian, where it begins the nearly 160-mile overlap with Interstate 59. Meridian is a city in Lauderdale County, Mississippi, United States. Interstate 59 (I-59 is an Interstate highway in the southern United States.

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

Alabama

See also: Interstate 20 in Alabama

Interstate 20 (with I-59) crosses the Alabama line near York and stays conjoined as it passes through Tuscaloosa. In Alabama, Interstate 20 travels 2147 miles through the center of the state Tuscaloosa is a city in west central Alabama in the southern United States. At Birmingham, the two highways pass through downtown before splitting at Exit 130 just east of Birmingham International Airport. Birmingham (ˈbɝmɪŋhæm is the largest City in the US state of Alabama and is the County seat of Jefferson County. Birmingham International Airport may refer to Birmingham International Airport (United Kingdom, serving Birmingham England United Kingdom I-20 continues eastward through Oxford, and the Talladega National Forest, bypassing Talladega Superspeedway in the process, which is visible from the highway. Oxford is a city in Calhoun and Talladega counties in the US state of Alabama. Talladega Superspeedway is a Motorsports complex located in Talladega Alabama United States

Also in Birmingham, the intersection of I-20/I-59 and Interstate 65 is known as Malfunction Junction because of the interchange's design and the number of accidents that occur there. Interstate 65 (I-65 is a major Interstate Highway in the United States. " Malfunction Junction " is a derisive nickname given by motorists to a confusing dangerous or otherwise problematic interchange.

Georgia

See also: Interstate 20 in Georgia

I-20 enters the Peach State near Tallapoosa and immediately enters the Atlanta metro area. In Georgia, Interstate 20 runs from the Alabama border to the Savannah River, which the Georgia- South Carolina border straddles Tallapoosa (pronounced \ta-lə-pü-sə\)is a city in Haralson County, Georgia, United States. On clear days, eastbound motorists get their first view of downtown as they come over the top of Six Flags Hill. Six Flags Hill is a hill located on Interstate 20 west of Atlanta Georgia. In Atlanta, the highway passes through the heart of the city, crossing Interstates 75 and 85 (the Downtown Connector) and continues eastward through the state until it exits the state at Augusta. Interstate 75 (I-75 is a major north-south Interstate Highway in the midwest and southeastern United States. Interstate 85 (I-85 is an Interstate highway in the southeastern United States. In Atlanta Georgia, the Downtown Connector or 75/85 (pronounced "seventy-five eighty-five" is the overlapped connector of Augusta Georgia is a city in Richmond County, Georgia, United States.

Throughout the state, I-20 is conjoined with unsigned Georgia Highway 402. In Georgia, Interstate 20 runs from the Alabama border to the Savannah River, which the Georgia- South Carolina border straddles Also, I-20 from the Alabama state line to Interstate 285 in Atlanta is named the Tom Murphy Freeway while it is called the Ralph David Abernathy Freeway within I-285. Interstate 285 (I-285 is a Beltway Interstate highway encircling Atlanta Georgia, for 63 The highway is also named the Purple Heart Highway from I-285 in Dekalb County to U. S. 441 and the Carl Sanders Highway from U. S. 441 to the South Carolina state line.

South Carolina

See also: Interstate 20 in South Carolina
Approaching the eastern terminus of I-20 on I-95
Approaching the eastern terminus of I-20 on I-95

Upon leaving Augusta, I-20 crosses the Savannah River and enters the Palmetto State and heads northeastward, bypassing Aiken and Lexington before reaching the state capitol of Columbia, which can be reached most directly by taking I-26 east at Exit 63 ("Malfunction Junction"), then, almost immediately, I-126/U.S. Route 76. Interstate 20 is a major thoroughfare cutting across the state of South Carolina, linking the state with important transportation and business hubs to the north west and south For the Department of Energy facility see Savannah River Site The Savannah River is a major river in the southeastern United States Aiken South Carolina is a city in the United States state of South Carolina. Lexington is a town in and the County seat of Lexington County, South Carolina, United States. Columbia is the state capital and largest city in the US state of South Carolina. Interstate 26 (I-26 is a nominally east-west (but physically more north-south main route of the Interstate Highway System in the Southeastern United States. Interstate 126 (abbreviated I-126) is a Spur route of Interstate 26, near Columbia, South Carolina in the United States US Route 76 is an east-west United States highway that runs for 548 miles (882 km from southeastern North Carolina to Chattanooga Tennessee.

At Columbia, Interstate 20 bypasses the city to the north and again turns northeastward, bypassing Fort Jackson and Camden. This article is about the current US Army post For other uses see Fort Jackson. Camden is a city in and the County seat of Kershaw County, South Carolina, United States. After crossing the Wateree River, it turns due east, passes by tiny Bishopville, before reaching the Florence area. 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 Florence is the largest city in and the County seat of Florence County, South Carolina, United States. It is near Florence where I-20 sees its eastern terminus at Interstate 95. Interstate 95 is a major Interstate highway, running along the East Coast of the United States from Florida to Maine However, for about two miles, the highway continues into Florence as Business Spur 20. Business Spur Interstate 20 is a spur route that acts as a brief extension of Interstate 20 from its eastern terminus at the interchange with Interstate 95 in

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 over the Savannah River around 1964, the last, the section between U.S. Route 401 and I-95 (including the Business Spur), opened in 1974. US Route 401 is a spur of US Route 1 located within the states of North Carolina and South Carolina. Interstate 95 is a major Interstate highway, running along the East Coast of the United States from Florida to Maine

Future

In 2003, The North Carolina Department of Transportation 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. North Carolina ( is a state located on the Atlantic Seaboard in the southeastern United States Wilmington is a city in and the County seat of New Hanover County, North Carolina, United States. The proposed route would follow U. S. 76 east from Florence to Whiteville, North Carolina, then parallel U. Whiteville is a city in Columbus County, North Carolina, United States. S. 74/U. S. 76 into Wilmington. Part of this route is already designated the future eastern extension of Interstate 74. Interstate 74 (abbreviated I-74) is an Interstate highway in the Midwestern and Southeastern United States. 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 U. S. 76 to an interstate. This is likely due, in no small part, to encourage eastbound vacationers to travel to Myrtle Beach, South Carolina rather than Wilmington and that they are concentrating their efforts on plans to build Interstate 73 that will terminate near Myrtle Beach. Interstate 73 (abbreviated I-73) is a main route of the Interstate Highway System, currently located entirely within the U

Major intersections

Auxiliary routes

Two Interstate 420s were planned, but never completed or built. Interstate 520 (I-520 partly encircles Augusta, Georgia. I-520 is also known as Bobby Jones Expressway and unsigned State Route 415 Augusta Georgia is a city in Richmond County, Georgia, United States. Interstate 26 (I-26 is a nominally east-west (but physically more north-south main route of the Interstate Highway System in the Southeastern United States. Columbia is the state capital and largest city in the US state of South Carolina. Interstate 77 (abbreviated I-77) is an Interstate highway in the eastern United States. Columbia is the state capital and largest city in the US state of South Carolina. Interstate 95 is a major Interstate highway, running along the East Coast of the United States from Florida to Maine Florence is the largest city in and the County seat of Florence County, South Carolina, United States. One was to be a bypass around Monroe, Louisiana, but was never built. Monroe is a city in and the Parish seat of Ouachita Parish, Louisiana, United States. The other I-420 was planned as a bypass to the south of downtown Atlanta. Due to anti-freeway sentiments, this I-420 was never completed, and the already-built portion has been signed as GA 154/GA 166, named Langford Parkway (formerly the Lakewood Freeway). Arthur E Langford Jr Parkway ( State Route 166), formerly known as the Lakewood Freeway, is a six- Mile (10 km) Freeway through Additionally, it is highly unlikely that any road will ever be designated as "Route 420," due to that number being popular in the drug trade.

References

  1. ^ a b Route Log and Finder List - Interstate System: Table 1. Shreveport is the third-largest city and the principal city of the third largest Metropolitan area in the U Interstate 220 (abbreviated I-220) in Louisiana is an east-west loop around Shreveport Louisiana in the northwestern corner of the state Interstate 220 (abbreviated I-220) in Mississippi is a loop around Jackson that provides an interstate connection for Interstate 55 and Augusta Georgia is a city in Richmond County, Georgia, United States. Interstate 520 (I-520 partly encircles Augusta, Georgia. I-520 is also known as Bobby Jones Expressway and unsigned State Route 415 Fort Worth is the fifth-largest city in the state of Texas and the seventeenth-largest city in the United States. Interstate 820 (abbreviated I-820) is a loop of Interstate 20 in Fort Worth Texas of approximately 35 miles around the city and some of its suburbs FHWA. The Federal Highway Administration ( FHWA) is a division of the United States Department of Transportation that specializes in Highway transportation Retrieved on 2007-09-26. Year 2007 ( MMVII) was a Common year starting on Monday of the Gregorian calendar in the 21st century. Events 46 BC - Julius Caesar dedicates a
  2. ^ Interstate 20 @ Interstate-Guide.com. Interstate Guide. Retrieved on 2008-02-15. 2008 ( MMVIII) is the current year in accordance with the Gregorian calendar, a Leap year that started on Tuesday of the Common Events 590 - Khosrau II is crowned as king of Persia 1637 - Ferdinand III becomes Holy Roman Emperor
  3. ^ Overview Map of I-20. Google Maps. Google Maps (for a time named Google Local) is a free Web mapping service application and technology provided by Google that powers many map-based services Retrieved on 2008-02-15. 2008 ( MMVIII) is the current year in accordance with the Gregorian calendar, a Leap year that started on Tuesday of the Common Events 590 - Khosrau II is crowned as king of Persia 1637 - Ferdinand III becomes Holy Roman Emperor
  4. ^ Wolf, Paul S. , editor. "Interstate Highway Control Cities". As referenced by the North Carolina Department of Transportation, "Control Cities For Use In Guide Signs On Interstate Highways", August 9, 2004. Events 48 BC - Caesar's civil war: Battle of Pharsalus - Julius Caesar decisively defeats Pompey at Pharsalus "MMIV" redirects here For the Modest Mouse album see " Baron von Bullshit Rides Again " Accessed on 2007-01-30. Year 2007 ( MMVII) was a Common year starting on Monday of the Gregorian calendar in the 21st century. Events 1648 - Eighty Years' War: The Treaty of Münster is signed ending the conflict between the Netherlands and Spain

External links

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Main Interstate Highways (multiples of 5 in pink)		 Interstate Highway marker
4 5 8 10 12 15 16 17 19 20 22 24 25 26 27 29 30
35 37 39 40 43 44 45 49 55 57 59 64 65 66 68 69
70 71 72 73 74 75 76 (W) 76 (E) 77 78 79 80 81 82
83 84 (W) 84 (E) 85 86 (W) 86 (E) 87 88 (W) 88 (E) 89 90
91 93 94 95 96 97 99 (238) H-1 H-2 H-3
Unsigned  A-1 A-2 A-3 A-4 PRI-1 PRI-2 PRI-3
Lists  Primary  Main - Intrastate - Suffixed - Future - Gaps
Auxiliary  Main - Future - Unsigned
Other  Standards - Business - Bypassed
The Dwight D Eisenhower National System of Interstate and Defense Highways, commonly called the Interstate Highway System (or simply the Interstate System) Interstate 4 (I-4 is a 13230-mile (21291 km intrastate Interstate Highway located entirely within the state of Florida, United States. Interstate 5 (I-5 is the main Interstate highway on the West Coast of the United States, paralleling the Pacific Ocean from Canada to Mexico Interstate 10 ( I-10) is the southernmost east-west coast-to-coast Interstate highway in the United States. Interstate 12 (I-12 is an intrastate Interstate highway located entirely within the state of Louisiana. Interstate 15 (I-15 is the fourth-longest north-south transcontinental interstate highway in the United States, traveling through the states of California Interstate 16 (I-16 also known as Jim Gillis Historic Savannah Parkway or State Route 404, is an intrastate Interstate highway located entirely Interstate 17 (I-17, also known as Black Canyon Freeway is an intrastate Interstate highway located entirely within the state of Arizona, United Interstate 19 (I-19 is an intrastate Interstate highway located entirely within the state of Arizona. Interstate 22 (I-22 when completed will follow the US Highway 78 corridor along a 213-mile (343-km route from Memphis Tennessee, to Birmingham Alabama Interstate 24 (I-24 is an Interstate highway in the eastern United States. Interstate 26 (I-26 is a nominally east-west (but physically more north-south main route of the Interstate Highway System in the Southeastern United States. For another freeway route in the United States with Interstate 27 as a "misreference" see U Interstate 29 (I-29 is an Interstate highway in the Midwestern United States. Interstate 35 (I-35 is a north–south Interstate highway in the central United States. Interstate 37 (I-37 is a intrastate Interstate Highway located within the U Interstate 39 (I-39 is an interstate highway in the Midwestern United States. Interstate 40 (I-40 is a major west-east Interstate highway in the United States Interstate 43 (I-43 is an intrastate Interstate highway located entirely within the state of Wisconsin. Interstate 44 (I-44 is an Interstate highway in the central United States. Interstate 45 (I-45 is an Interstate Highway located entirely within the U Interstate 49 (I-49 is an intrastate Interstate highway located entirely within the state of Louisiana in the southern United States. Interstate 55 (I-55 is an Interstate highway in the central United States. Interstate 57 (I-57 is an Interstate highway in the midwestern United States. Interstate 59 (I-59 is an Interstate highway in the southern United States. Interstate 64 (abbreviated I-64) is an Interstate Highway in the eastern United States. Interstate 65 (I-65 is a major Interstate Highway in the United States. Interstate 66 (I-66 is an Interstate highway in the eastern United States. Interstate 68 (I-68 is an Interstate Highway in the United States. Interstate 69 (I-69 is an Interstate Highway in the United States. Interstate 70 (I-70 is an Interstate highway in the United States that runs from Interstate 15 near Cove Fort Utah, to a Park and Ride Interstate 71 (I-71 is an Interstate Highway in the Great Lakes/Midwestern region of the United States. Interstate 72 (abbreviated I-72) is an Interstate highway in the midwestern United States. Interstate 73 (abbreviated I-73) is a main route of the Interstate Highway System, currently located entirely within the U Interstate 74 (abbreviated I-74) is an Interstate highway in the Midwestern and Southeastern United States. Interstate 75 (I-75 is a major north-south Interstate Highway in the midwest and southeastern United States. Interstate 76 (I-76 is an Interstate highway that runs from Interstate 70 in Arvada Colorado (near Denver) to an intersection with Interstate Interstate 76 (abbreviated I-76) is an Interstate Highway in the United States, running 435 miles (700 km from an interchange with Interstate 71 Interstate 77 (abbreviated I-77) is an Interstate highway in the eastern United States. Route description Pennsylvania See also Interstate 78 in Pennsylvania I-78 begins at a directional-T interchange with Interstate Interstate 79 (abbreviated I-79) is an Interstate highway in the eastern United States, designated from Interstate 77 in Charleston West Interstate 80 (I-80 is the second-longest Interstate Highway in the United States (after I-90) Interstate 81 (abbreviated I-81) is an Interstate highway in the eastern part of the United States. Interstate 82 (I-82 is a Interstate Highway that extends from I-90 in Ellensburg Washington to I-84 near Umatilla Oregon Interstate 83 (abbreviated I-83) is an Interstate highway in the eastern United States. Interstate 84 (I-84 is an Interstate highway in the Western United States that runs from Portland Oregon (intersecting I-5) to Echo Interstate 84 (abbreviated I-84) is an Interstate highway extending from Dunmore Pennsylvania (near Scranton Pennsylvania) at an intersection Interstate 85 (I-85 is an Interstate highway in the southeastern United States. Interstate 86 (I-86 is an intrastate Interstate Highway, located entirely within the state of Idaho. Interstate 86 was once assigned to what is now Interstate 84 east of East Hartford, Connecticut. Interstate 87 (abbreviated I-87) is a 33349 mile (53670 km intrastate Interstate highway located entirely within the state of New York History Prior to its designation as an Interstate Highway the route was known as IL 5, and before that IL 190. Interstate 88 (I-88 is an Interstate highway entirely within the U Interstate 89 (abbreviated I-89) is an Interstate highway in the New England region of the United States. Interstate 90 (I-90 is the longest interstate highway in the United States at nearly 3100 miles (5000 kilometers Interstate 91 (abbreviated I-91) is an Interstate highway in the New England section of the United States. Interstate 93 (abbreviated I-93) is an Interstate highway in the New England section of the United States. Interstate 95 ( I-95) is the main Highway on the East Coast of the United States, paralleling the Atlantic Ocean from Maine to Interstate 96 (I-96 is an intrastate Interstate highway that is entirely within the U Interstate 97 (abbreviated I-97) is an intrastate Interstate highway located entirely within Anne Arundel County Maryland, United Interstate 99 (I-99 is a partially-completed main route of the Interstate Highway System in central Pennsylvania. Interstate 238 (I-238 is a short auxiliary route of the Interstate Highway System in the San Francisco Bay Area, California, United States. Interstate H-1 (abbreviated H-1) is the busiest Interstate highway in Hawaii, United States, located on the island of O‘ahu. Interstate H-2 (abbreviated H-2) is an intrastate Interstate highway located on the island of O‘ahu in Hawai‘i, USA Interstate H-3 (abbreviated H-3) is an intrastate Interstate highway located on the island of O‘ahu in the state of Hawai‘i, United There are four officially designated interstate highways in Alaska, even though Alaska is usually considered to have no interstates and the routes do not connect There are four officially designated interstate highways in Alaska, even though Alaska is usually considered to have no interstates and the routes do not connect There are four officially designated interstate highways in Alaska, even though Alaska is usually considered to have no interstates and the routes do not connect There are four officially designated interstate highways in Alaska, even though Alaska is usually considered to have no interstates and the routes do not connect PR-52 is a Freeway in Puerto Rico, United States. It runs from PR-1 in Río Piedras southwest until it intersects with highway PR-2 in Ponce PR-22 ( also part of unsigned Interstate PR2) is a 51-mile (83-km long Toll road in the north coast of Puerto Rico that connects the cities of San There are three officially designated Interstate Highways in Puerto Rico. Primary interstates are the major Interstate highways of the United States and are assigned a one or two-digit route number There are several intrastate Interstate Highways; that is Interstate Highways that are located entirely within one state Presently the Interstate Highway System includes four suffixed routes - the Interstate 35 split into Interstate 35E and Interstate 35W at Dallas-Fort The United States' Interstate Highway System is still being expanded For the most part the Interstate Highway System in the United States is a connected system with most roads completed The auxiliary Interstate Highways (also called 3-digit Interstate Highways) is an additional network of freeways of the Interstate Highway System. The following is a list of future auxiliary (three-digit Interstate Highway designations in the United States. Some auxiliary Interstate Highways are not signed typically because the routes are already known by another name and marking them could confuse motorists I-blank widesvg|90px|right]] Standards for Interstate Highways in the United States are defined by the American Association of State Highway and Transportation Officials List of Business Routes Interstate 5 |-| Business Loop | San Ysidro This is a list of highways mostly US Routes bypassed by Interstate Highways Unless otherwise specified designations are as of ca
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