US 11 to I-76 Toll / Penna Turnpike in Carlisle, PA
I-83 / US 322 / US 22 in Harrisburg, PA
I-78 at Union Township, PA
I-80 at Drums, PA
I-84 / I-380 / US 6 in Dunmore, PA
I-90 Toll / New York Thruway near Syracuse, NY
North end
Highway 137 on Thousand Islands Bridge at Wellesley Island, NY/Hill Island, ON
Location
Country
United States
States
Tennessee, Virginia, West Virginia, Maryland, Pennsylvania, New York
Highway system
Interstate Highway System
Main
Auxiliary
Suffixed
Business
Future
Interstate 81 (I-81) is a north–south (physically northeast–southwest) Interstate Highway in the eastern part of the United States. Its southern terminus is at I-40 in Dandridge, Tennessee; its northern terminus is on Wellesley Island, New York at the Canadian border, where the Thousand Islands Bridge connects it to Highway 137 and ultimately to Highway 401, the main Ontario freeway connecting Detroit via Toronto to Montreal. The major metropolitan areas along the route of I-81 include the Tri-Cities of Tennessee; Roanoke in Virginia; Harrisburg and the Wyoming Valley in Pennsylvania; and Syracuse in New York.
I-81 largely traces the paths created down the length of the Appalachian Mountains through the Great Appalachian Valley by migrating animals, indigenous peoples, and early settlers. It also follows a major corridor for troop movements during the Civil War.[2] These trails and roadways gradually evolved into US Route 11 (US 11); I-81 parallels much of the older US 11.[3] Being mostly rural in nature, I-81 is heavily used as a trucking corridor and is often used as a bypass of busier and more congested Interstates to the east such as I-95; for this reason, it is also used heavily by drug and human traffickers, as it is less monitored by law enforcement than I-95. This led to the Federal Bureau of Investigation (FBI) forming a taskforce to combat the issue in 2017.[4][5]
The I-81 Corridor Coalition, a six-state coalition, was organized to handle issues along I-81, such as truck traffic and air pollution; the commission meets annually.[6] I-81 is part of the fastest route between the capital of the US (Washington, D.C.) and the capital of Canada (Ottawa) and Mexico (Mexico City).[7][8]
^"Table 1: Main Routes of the Dwight D. Eisenhower National System Of Interstate and Defense Highways". FHWA Route Log and Finder List. Federal Highway Administration. December 31, 2021. Retrieved July 14, 2022.
^"Roads". Miller's House Museum. Retrieved July 16, 2018.
^Perrier, Dianne (2010). Interstate 81: The Great Warriors Trace. Gainesville: University Press of Florida. ISBN 978-0-8130-3481-2. OCLC 502304332.[page needed]
^Zuckerman, Jake (January 26, 2017). "FBI forms human trafficking task force along I-81". North Virginia Daily. Retrieved June 22, 2020.
^Rossi, Isabella (February 12, 2019). "Sex trafficking closer to home than most Virginians would think". Collegiate Times. Retrieved June 22, 2020.
^"Corridor Coalition". I-81coalition.org. Retrieved January 29, 2018.
^"I-81 Safety Conference". Harrisburg, PA: WHP-TV. Retrieved October 4, 2014.[permanent dead link]
Interstate81 (I-81) is a north–south (physically northeast–southwest) Interstate Highway in the eastern part of the United States. Its southern terminus...
Interstate81 (I-81) is a north–south Interstate Highway, stretching from Dandridge, Tennessee, northeast to Fisher's Landing, New York, at the Canada–United...
Interstate81 (I-81) is an 855.02-mile-long (1,376.02 km) Interstate Highway. In the US state of Virginia, I-81 runs for 324.92 miles (522.91 km), making...
Interstate81 (I-81) is a part of the Interstate Highway System that runs from Dandridge, Tennessee, to Fishers Landing, New York. In Maryland, the Interstate...
Interstate81 (I-81) is a part of the Interstate Highway System that runs from I-40 at Dandridge, Tennessee, to the Thousand Islands Bridge at Wellesley...
Interstate81 (I-81) is part of the Interstate Highway System that runs 855.02 miles (1,376.02 km) northward from Dandridge, Tennessee, to the Thousand...
Interstate81 (I-81) in the US state of West Virginia crosses the Eastern Panhandle region, linking Virginia to Maryland. The Interstate Highway, completed...
National System of Interstate and Defense Highways, commonly known as the Interstate Highway System, or the Eisenhower Interstate System, is a network...
Interstate 481 (I-481) is an auxiliary Interstate Highway that serves as an eastern bypass of Syracuse, New York, in the US. It begins at its parent,...
St. Paul, Minnesota Interstate 380 (Pennsylvania), a connection between Interstate 80 and Interstate81 south of Scranton Interstate 380 (Ohio), a proposed...
Interstate 66 (I-66) is a 76.32 mile east–west Interstate Highway in the eastern United States. The highway runs from an interchange with I-81 near Middletown...
Interstate 135 (I-135) is an approximately 95.7-mile-long (154.0 km) auxiliary Interstate Highway in central and south-central Kansas, United States....
Interstate81 is the main branch of the Interstate Highway System in the 24th district. In 2005, Cline patroned HB2554, a bill that created the I-81 Safety...
Operated by the Syracuse Department of Aviation, it is located off Interstate81, near Mattydale. The main terminal complex is at the east end of Colonel...
Route 11 (US 11)/Pennsylvania Route 307 (PA 307) near downtown to Interstate81 (I-81). The highway is one of only three freeways in Pennsylvania with...
continued to rapidly expand, not only through new construction east of Interstate81 but also on the west side of campus. In early 2005, JMU purchased the...
highway system as U.S. Route 11. For much of its length, the newer Interstate81, constructed in the 1960s, parallels the old Valley Pike. Along with...
particularly active region, in which there were some strong tornadoes, was the Interstate81 corridor extending from southwest Virginia, northward through the Shenandoah...
adjacent to Interstate81, 23 miles (37 km) northeast of Harrisburg, just north of the northern terminus of Pennsylvania Route 934 at I-81's Exit 85. The...
Interstate 581 (I-581) is a spur of I-81 into Roanoke, Virginia, completely overlapping US Route 220 (US 220). It is planned to be connected to I-73. Future...
Global Information
I-40 in Dandridge, TN
Highway 137 on Thousand Islands Bridge at Wellesley Island, NY/Hill Island, ON
