Tennessee State Route 346
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| Route information | |
| Maintained by TDOT | |
| Length: | 24.3 mi (39.1 km) |
| Major junctions | |
| South end: |
  US 11W / SR 1 in Surgoinsville
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US 11W / SR 1 in Church Hill
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| North end: |
   US 23 / SR 36 / SR 137 in Kingsport
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| Location | |
| Counties: | Hawkins, Sullivan |
| Highway system | |
State Route 346 (SR-346) is a 24.3-mile-long (39.1 km) state highway in Hawkins and Sullivan counties in the eastern part of the U.S. state of Tennessee. It connects Surgoinsville with Kingsport.
SR-346 begins at an intersection with US-11W/SR-1 in Surgoinsville and heads northeast through downtown and has a second intersection with US-11W/SR-1 and turns east onto US-11W/SR-1. The three routes begin a concurrency to Church Hill and then it turns northeast onto Main Street and then turns north onto North Central Avenue. and continues until it leaves the city limits of Church Hill, where it becomes Carter's Valley Road and crosses over the North Fork Holston River into Sullivan County and it meets its northern terminus, an intersection with US-23/SR-36/SR-137 on the north side of Kingsport just 0.2 miles (0.32 km) from the Virginia state-line.
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