Interstate 81: Wikis

  
  
  

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Interstate 81 shield
Interstate 81
Main route of the Interstate Highway System
Length: 846 mi (1361 km)
South end: I-40.svg I-40 in Dandridge, TN
Major
junctions:
I-26 / US-23 near Kingsport, TN

I-77 near Wytheville, VA
I-64 from Lexington, VA to Staunton, VA
I-70 at Hagerstown, MD
I-76 / Penna. Tpk. at Carlisle, PA
I-80 near Hazleton, PA
I-84 near Scranton, PA
Future plate blue.svg
I-86 / NY 17 in Binghamton, NY
I-90.svgNYS Thruway Sign.png I-90 in Syracuse, NY

North end: Ontario 137.png Ont 137 at Thousand Islands Bridge in Wellesley Island, NY/ON
(TO M-C Freeway.pngOntario 401.png Ont 401)

Interstate 81 (abbreviated I-81) is an Interstate Highway in the eastern part of the United States. Its southern terminus is at Interstate 40 in 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 81 largely traces the path of the Appalachian Mountains, often paralleling its older U.S. highway counterpart, U.S. Route 11. While mostly rural, it is heavily used as a trucking corridor, often as a bypass of the busier Interstate 95 to the east.

The Interstate 81 Corridor Coalition, a six-state coalition, was organized to handle issues along Interstate 81, such as truck traffic and air pollution. As of October 15, 2008, this commission has met twice.[1][2]

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

Main articles: Interstate 81 in: Tennessee | Virginia

Interstate 81 begins in Tennessee at Interstate 40 in Dandridge. The route parallels the Appalachian Mountains for much of its route through Tennessee and Virginia, serving such cities as Roanoke, Blacksburg, Lexington, Staunton, Harrisonburg, and Winchester. In Harrisonburg, I-81 cuts through James Madison University. It parallels its older counterpart, U.S. Route 11, for its entire length in Virginia.

In July 2009 due to bugetary constraints the state of Virginia closed 7 rest stops along I-81 in rural Virginia.

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. 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.

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 but does not interchange with it. Around the state capital of Harrisburg, the route forms the northeastern section of Pennsylvania's Capital Beltway. 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. Although it is signed as a north–south highway, it is distinctly Northeast-Southwest and occasionally east–west throughout the state.

New York

Interstate 81 enters the state of New York near Binghamton. 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. The route ends at the Canadian border at the Thousand Islands Bridge, where it crosses the St. Lawrence River, continuing as Highway 137.

Major intersections

Approaching the I-78/I-81 interchange in Union Township, Lebanon County, PA).

Auxiliary routes

I-81 looking southbound near milepost 245 in Harrisonburg, Virginia.

There are three current child routes either providing access to, or bypassing, various cities along the Interstate 81 route.

Current

Past

Future

References

External links

Main Interstate Highways (major interstates highlighted)
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

Simple English

Interstate 81 is a north-south interstate in the eastern United States. It runs from Dandridge, Tennessee in the south to Wellesley Island, New York in the north; for a total distance for about 854.89 miles (1,375.81 km).[1] It follows the Appalachian Mountains for nearly its entire length.[2]

Major intersections

File:Interstate 78 and 81 junction,
Approaching the I-78/I-81 interchange in Union Township, Lebanon County, PA).
  • Interstate 80 near Hazleton, Pa.)
  • Interstate 476/PA Tpk NE Ext. in Dupont, Pennsylvania (near Pittston, Pa.)
  • Interstate 84 and Interstate 380 in Dunmore, Pa. (near Scranton, Pa.) Throop Dunmore Interchange
  • Interstate 476/PA Tpk NE Ext.(again) in Clarks Summit, Pa.

  • Future Interstate 86/NY 17 in Binghamton, NY
  • Interstate 88 in Binghamton, NY
  • Interstate 690 in downtown Syracuse, NY
  • Interstate 90/New York State Thruway in North Syracuse, NY

References

Main Interstates (numbers that end in 0 or 5 are colored pink)
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







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