 Interstate 81 | ||||
|---|---|---|---|---|
 I-81 highlighted in red | ||||
| Route information | ||||
| Maintained by VDOT | ||||
| Length | 324.92 mi[1] (522.91 km) | |||
| NHS | Entire route | |||
| Major junctions | ||||
| South end |  I-81 at Tennessee border in Bristol | |||
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| North end | I-81 at West Virginia border near Winchester | |||
| Location | ||||
| Country | United States | |||
| State | Virginia | |||
| Counties | City of Bristol, Washington, Smyth, Wythe, Pulaski, Montgomery, Roanoke, City of Salem, City of Roanoke, Botetourt, Rockbridge, Augusta, Rockingham, City of Harrisonburg, Shenandoah, Warren, Frederick | |||
| Highway system | ||||
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Interstate 81 (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 the portion in Virginia longer than any other state's portion of the route. It is also the longest Interstate Highway within the borders of Virginia. It stretches from the Tennessee state line near Bristol to the West Virginia state line near Winchester. It enters Virginia from Bristol, Tennessee, and leaves Virginia into Berkeley County, West Virginia. The route passes through the cities of Bristol, Roanoke, Salem, Lexington, Staunton, and Harrisonburg.
- ^ "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.