SR 81 highlighted in red | ||||
Route information | ||||
Maintained by TDOT | ||||
Length | 25.7 mi (41.4 km) | |||
Major junctions | ||||
South end | ![]() ![]() ![]() ![]() | |||
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North end | ![]() | |||
Location | ||||
Country | United States | |||
State | Tennessee | |||
Counties | Unicoi, Washington | |||
Highway system | ||||
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State Route 81 (SR 81) is a 25.7-mile-long (41.4 km) state highway in northeastern Tennessee. It travels in Unicoi and Washington counties. It connects Fall Branch with Erwin.[1]
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