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| Interstate 81 Main route of the Interstate Highway System |
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| Length: | 846 mi (1361 km) |
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| South end: |  I-40 in Dandridge, TN |
| Major junctions: |
 I-26 near Kingsport, TN I-77 near Wytheville, VA I-64 in Lexington, VA I-64 in Staunton, VA I-66 near Strasburg, VA I-70 in Hagerstown, MD  I-76 near Harrisburg, PA I-84 near Scranton, PA I-88 near Binghamton, NY  I-90 in Syracuse, NY |
| North end: |  Ont 137 at Thousand Islands Bridge in Wellesley Island, NY/ON(TO   Ont 401) |
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Interstate 81 (abbreviated I-81) is an interstate highway in the eastern part of the United States. The Dwight D Eisenhower National System of Interstate and Defense Highways, commonly called the Interstate Highway System (or simply the Interstate System) 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 40 (I-40 is a major west-east Interstate highway in the United States Dandridge is a town in Jefferson County, Tennessee, 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. Kingsport is a city in Hawkins and Sullivan counties in the U Interstate 77 (abbreviated I-77) is an Interstate highway in the eastern United States. Wytheville is a town in Wythe County, Virginia, United States. Interstate 64 (abbreviated I-64) is an Interstate Highway in the eastern United States. Lexington is an Independent city within the confines of Rockbridge County in the Commonwealth of Virginia. Interstate 64 (abbreviated I-64) is an Interstate Highway in the eastern United States. Staunton ( is an Independent city within the confines of Augusta County in the commonwealth of Virginia. Interstate 66 (I-66 is an Interstate highway in the eastern United States. Strasburg is a town in Shenandoah County, Virginia, United States, that was founded in 1761 by Peter Stover 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 Hagerstown (ˈheɪgɚztaʊn is the County seat of Washington County, Maryland, United States. Interstate 76 (abbreviated I-76) is an Interstate Highway in the United States, running 435 miles (700 km from an interchange with Interstate 71 Harrisburg is the Capital of the Commonwealth of Pennsylvania, in the United States of America Interstate 84 (abbreviated I-84) is an Interstate highway extending from Dunmore Pennsylvania (near Scranton Pennsylvania) at an intersection Interstate 88 (I-88 is an Interstate highway entirely within the U Binghamton, known as The Parlor City is a City located in the Southern Tier of New York in the United States. Interstate 90 (I-90 is the longest interstate highway in the United States at nearly 3100 miles (5000 kilometers Syracuse (locally ˈsɛrəkjuːs sometimes ˈsɪrəkjuːs or /ˈsɪərəkjuːs/ by non-natives is a city in Central New York, USA. Highway 137 is a short Highway that connects Ontario 's Highway 401 at Exit 661 to the New York The Thousand Islands Bridge is an international bridge over the Saint Lawrence River connecting northern New York Wellesley Island in Jefferson County New York, USA is partially in the Town of Orleans and partially in the Town of Alexandria. 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 Its southern terminus is at Interstate 40 near Dandridge, Tennessee; its northern terminus is on Wellesley Island (near Fishers Landing, New York) at the Canadian border, where the Thousand Islands Bridge connects it to Highway 401, the main freeway connecting Windsor-Detroit and Toronto to Montreal. Interstate 40 (I-40 is a major west-east Interstate highway in the United States Dandridge is a town in Jefferson County, Tennessee, United States. Wellesley Island in Jefferson County New York, USA is partially in the Town of Orleans and partially in the Town of Alexandria. Wellesley Island in Jefferson County New York, USA is partially in the Town of Orleans and partially in the Town of Alexandria. The Canada – United States border is the international Border between Canada and the United States. The Thousand Islands Bridge is an international bridge over the Saint Lawrence River connecting northern New York Windsor is the southernmost city in Canada and lies at the western end of the heavily populated Quebec City-Windsor Corridor. Toronto (təˈrɒntoʊ colloquially pronounced or) is the largest city in Canada and is the provincial capital of Ontario Montreal, or Montréal in French ( pronounced in French, in English) is the largest city in the Canadian province of Quebec
Interstate 81 largely traces the path of the Appalachian Mountains, often paralleling its older U.S. highway counterpart, U.S. Route 11. The Appalachian Mountains ( often called the Appalachians, are a vast system of mountains in eastern North America. The system of United States Numbered Highways (often called U US Route 11 is a north-south United States highway extending 1645 mile While mostly rural, it is heavily used as a trucking corridor, often as a bypass of the busier Interstate 95 to the east. Interstate 95 ( I-95) is the main Highway on the East Coast of the United States, paralleling the Atlantic Ocean from Maine to
Contents |
Route description
| Lengths | ||
|---|---|---|
| mi | km | |
| TN | 75 | 121 |
| VA | 323 | 520 |
| WV | 23 | 37 |
| MD | 11 | 18 |
| PA | 234 | 377 |
| NY | 183 | 294 |
Tennessee and Virginia
Interstate 81 begins in Tennessee at Interstate 40 near Dandridge. A control city is a city or locality posted on a Traffic sign indicating forward destinations on a certain route Interstate 40 (I-40 is a major west-east Interstate highway in the United States Morristown is a city in and the County seat of Hamblen County, Tennessee, United States. Greeneville is a town in Greene County, Tennessee, United States. Johnson City is a city in Carter, Sullivan, and Washington Counties in the U Kingsport is a city in Hawkins and Sullivan counties in the U Bristol is a city in Sullivan County, Tennessee, United States. Bristol is an Independent city in Virginia, bounded by Washington County Virginia, and Sullivan County Tennessee. WELCOME TO WIKIPEDIA **** Please read before you edit or add info about the shootings For the metropolitan area see Roanoke Metropolitan Area. Roanoke is an Independent city located in the Roanoke Metropolitan Area in Winchester is an independent city located in the state of Virginia. Martinsburg is a city in Berkeley County, West Virginia, United States. Hagerstown (ˈheɪgɚztaʊn is the County seat of Washington County, Maryland, United States. Chambersburg is a borough in Pennsylvania, United States It is miles north of Maryland and the Mason-Dixon line and southwest of Harrisburg Carlisle is a borough in Cumberland County, Pennsylvania, 18 miles (29 km west by southwest of Harrisburg, the State capital Harrisburg is the Capital of the Commonwealth of Pennsylvania, in the United States of America Hazleton is a city in Luzerne County, Pennsylvania, United States. Wilkes-Barre (ˈwɪlksbɛrə or /-bɛri/ is the central city of the Wyoming Valley and County seat of Luzerne County in northeastern Pennsylvania Binghamton, known as The Parlor City is a City located in the Southern Tier of New York in the United States. Cortland is a City in Cortland County New York, USA. As of the 2000 census the city had a population of 18740 Syracuse (locally ˈsɛrəkjuːs sometimes ˈsɪrəkjuːs or /ˈsɪərəkjuːs/ by non-natives is a city in Central New York, USA. Watertown (town New York Watertown is a city in the State of New York and the County seat of Jefferson County Country to "Dominion of Canada" or "Canadian Federation" or anything else please read the Talk Page 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 81 is an 824 mile long expressway stretching from Dandridge Tennessee northward to the Thousand Islands Bridge at the United States-Canada Interstate 81 is an 846 mile (1361 km long highway In Virginia, I-81 runs for 323 miles (520 km making it longer in Virginia than in any other state Interstate 81 is an Interstate highway that runs for 846 miles (1361 km from Tennessee to the U Interstate 81 in Maryland is an 11-mile highway running through Washington County in Western Maryland. Interstate 81 is an 824 mile long north-south Interstate highway, stretching from Dandridge Tennessee to Fisher's Landing New York at Within the US state of New York, Interstate 81 spans from the Pennsylvania state line to the south to the Canadian border in the Interstate 81 is an 824 mile long expressway stretching from Dandridge Tennessee northward to the Thousand Islands Bridge at the United States-Canada Interstate 81 is an 846 mile (1361 km long highway In Virginia, I-81 runs for 323 miles (520 km making it longer in Virginia than in any other state Dandridge is a town in Jefferson County, Tennessee, United States. The route parallels the Appalachian Mountains for much of its route through Tennessee and Virginia, serving such cities as Roanoke, Lexington, Staunton, Harrisonburg, and Winchester. For the metropolitan area see Roanoke Metropolitan Area. Roanoke is an Independent city located in the Roanoke Metropolitan Area in Lexington is an Independent city within the confines of Rockbridge County in the Commonwealth of Virginia. Staunton ( is an Independent city within the confines of Augusta County in the commonwealth of Virginia. Harrisonburg is an Independent city in Rockingham County Virginia. Winchester is an independent city located in the state of Virginia. It parallels its older counterpart, U.S. Route 11, for its entire length in Virginia. US Route 11 is a north-south United States highway extending 1645 mile
West Virginia and Maryland
- Main articles: Interstate 81 in: West Virginia | Maryland
Interstate 81 briefly enters the eastern panhandle of West Virginia, serving the city of Martinsburg. Interstate 81 is an Interstate highway that runs for 846 miles (1361 km from Tennessee to the U Interstate 81 in Maryland is an 11-mile highway running through Washington County in Western Maryland. The Eastern Panhandle of West Virginia is a narrow stretch of territory in the northeast of the state bordering Maryland and Virginia, United States Martinsburg is a city in Berkeley County, West Virginia, United States. It then traverses the state of Maryland at one of its narrowest points, passing through the "Hub City" of Hagerstown where it intersects with a large number of other routes. Hagerstown (ˈheɪgɚztaʊn is the County seat of Washington County, Maryland, United States.
Pennsylvania
Interstate 81 forms a major north-south corridor through the state of Pennsylvania, serving the boroughs of Chambersburg and Carlisle, where it meets the Pennsylvania Turnpike. Interstate 81 is an 824 mile long north-south Interstate highway, stretching from Dandridge Tennessee to Fisher's Landing New York at Chambersburg is a borough in Pennsylvania, United States It is miles north of Maryland and the Mason-Dixon line and southwest of Harrisburg Carlisle is a borough in Cumberland County, Pennsylvania, 18 miles (29 km west by southwest of Harrisburg, the State capital The Pennsylvania Turnpike is a toll highway system operated by the Pennsylvania Turnpike Commission in the state of Pennsylvania, United States. Around the state capital of Harrisburg, the route forms the northeastern section of Pennsylvania's Capital Beltway. Harrisburg is the Capital of the Commonwealth of Pennsylvania, in the United States of America The Capital Beltway is a Beltway surrounding Harrisburg Pennsylvania. The route then travels northeast towards the Wyoming Valley, where it serves the cities of Wilkes-Barre and Scranton, then heads north through the Endless Mountains region towards the state line. This article refers to the valley region in Pennsylvania A lesser-known Wyoming Valley exists in western New York in Wyoming County, where the valley of Wilkes-Barre (ˈwɪlksbɛrə or /-bɛri/ is the central city of the Wyoming Valley and County seat of Luzerne County in northeastern Pennsylvania The Endless Mountains are a chain of mountains in northeastern Pennsylvania.
New York
Interstate 81 enters the New York state near Binghamton. Within the US state of New York, Interstate 81 spans from the Pennsylvania state line to the south to the Canadian border in the Binghamton, known as The Parlor City is a City located in the Southern Tier of New York in the United States. It parallels U.S. Route 11 in a north-south direction, serving the cities of Syracuse (where it intersects the New York State Thruway), and Watertown. US Route 11 is a north-south United States highway extending 1645 mile Syracuse (locally ˈsɛrəkjuːs sometimes ˈsɪrəkjuːs or /ˈsɪərəkjuːs/ by non-natives is a city in Central New York, USA. The New York State Thruway (officially the Governor Thomas E Dewey Thruway) is a limited-access toll Highway in the U Watertown (town New York Watertown is a city in the State of New York and the County seat of Jefferson County The route ends at the Canadian border at the Thousand Islands Bridge, where it crosses the St. Lawrence River, continuing as Highway 137. The Canada – United States border is the international Border between Canada and the United States. The Thousand Islands Bridge is an international bridge over the Saint Lawrence River connecting northern New York Saint Lawrence River (in French: fleuve Saint-Laurent; Kahnawáˀkye in Tuscarora, Kaniatarowanenneh meaning big waterway Highway 137 is a short Highway that connects Ontario 's Highway 401 at Exit 661 to the New York
Major intersections
- Interstate 40 near Dandridge, Tennessee, northeast of Knoxville
- Interstate 26 between the Tri-Cities, Tennessee
- Interstate 77 in Wytheville, Virginia. Interstate 40 (I-40 is a major west-east Interstate highway in the United States Dandridge is a town in Jefferson County, Tennessee, 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. In Tennessee and Virginia the name " Tri-Cities " refers to the region comprising the cities of Kingsport, Johnson City and Bristol Interstate 77 (abbreviated I-77) is an Interstate highway in the eastern United States. Wytheville is a town in Wythe County, Virginia, United States. They stay joined for about 10 miles (16 km), and go in opposite directions (i. e. , this is a wrong-way concurrency, where I-81 North overlaps I-77 South, and vice versa). A concurrency, overlap, or coincidence in a road network is an instance of one physical road bearing two or more different Highway, Motorway
- Interstate 64 in Lexington, Virginia. Interstate 64 (abbreviated I-64) is an Interstate Highway in the eastern United States. Lexington is an Independent city within the confines of Rockbridge County in the Commonwealth of Virginia. They stay joined until Staunton, Virginia. Staunton ( is an Independent city within the confines of Augusta County in the commonwealth of Virginia.
- Interstate 66 in Middletown, Virginia
- Interstate 70 in Hagerstown, Maryland
- Interstate 76 in Middlesex, Pennsylvania (near Carlisle, Pennsylvania)
- Interstate 83 in Harrisburg, Pennsylvania
- Interstate 78 in Bordnersville, Pennsylvania (near Jonestown, Pennsylvania)
- Interstate 80 in Saint Johns, Pennsylvania (near Hazleton, Pennsylvania)
- Interstate 476 in Dupont, Pennsylvania (near Pittston, Pennsylvania)
- Interstate 84 and Interstate 380 in Dunmore, Pennsylvania (near Scranton, Pennsylvania) Throop Dunmore Interchange
- Interstate 476 (again) in Clarks Summit, Pennsylvania
- Interstate 88 and future Interstate 86 in Binghamton, New York
- Interstate 690 in downtown Syracuse, New York
- Interstate 90 in North Syracuse, New York
Auxiliary routes
There are three current child routes either providing access to, or bypassing, various cities along the Interstate 81 route.
Current
Past
- I-181 - Kingsport, Tennessee: Deleted in August 2005 when Interstate 26 took over I-181's entire length. Interstate 381 ( I-381) is a spur from Interstate 81 that provides access to Bristol Virginia, United States. Bristol is an Independent city in Virginia, bounded by Washington County Virginia, and Sullivan County Tennessee. Interstate 581 ( I-581) is a spur off of Interstate 81 into Roanoke Virginia, United States, completely overlapping U For the metropolitan area see Roanoke Metropolitan Area. Roanoke is an Independent city located in the Roanoke Metropolitan Area in Interstate 481 (abbreviated I-481) is a spur of Interstate 81 to the east of Syracuse New York. Syracuse (locally ˈsɛrəkjuːs sometimes ˈsɪrəkjuːs or /ˈsɪərəkjuːs/ by non-natives is a city in Central New York, USA. 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. Kingsport is a city in Hawkins and Sullivan counties in the U Year 2005 ( MMV) was a Common year starting on Saturday (link displays full calendar of the Gregorian calendar. 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.
- I-81E - Current Interstate 380 (Pennsylvania)
External links
- Thousand Islands Bridge System, showing the bridges and connections at the northern terminus
- Economic Development History of Interstate 81 in Virginia, a Federal Highway Administration report.
| Main Interstate Highways (multiples of 5 in pink) |  |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | ||||||||||||||||||
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