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Tennessee State Route 400
State highway in Tennessee, United States / From Wikipedia, the free encyclopedia
State Route 400 (SR 400) is a state highway in Washington and Carter counties in the U.S. state of Tennessee. It connects the cities of Johnson City, Watauga and Elizabethton.[1]
Quick Facts State Route 400, Route information ...
TN 400 highlighted in red | ||||
Route information | ||||
Maintained by TDOT | ||||
Length | 10.9 mi (17.5 km) | |||
Major junctions | ||||
South end | ![]() | |||
Major intersections | ![]() ![]() ![]() | |||
North end | ![]() ![]() | |||
Location | ||||
Country | United States | |||
State | Tennessee | |||
Counties | Washington, Carter | |||
Highway system | ||||
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