| SR 75 in Blountville|
| I-81 in Kingsport city limits|
Sullivan County, Tennessee
State Route 357 (SR-357) is a 2.7-mile-long (4.3 km), four-lane state highway that serves as a connector route from Interstate 81 (I-81) to the Tri-Cities Regional Airport in Sullivan County, Tennessee in the United States.
Tennessee State Route 357 Wikipedia
SR-357 begins at SR-75 in Blountville and ends at I-81.
The entire route is in Sullivan County.