Tennessee State Route 143

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State Route 143 marker

State Route 143
Route information
Length: 12.46 mi (20.05 km)
Major junctions
south end: NC 261 near Roan Mountain State Park
north end: US 19E / SR 37 in Roan Mountain
Highway system
  • Tennessee State Routes

State Route 143 is a 12.6 mile state highway that goes through the Cherokee National Forest and Roan Mountain State Park in northeastern Tennessee. The road is very curvy as it does go through a mountainous area. Its northern terminus is US 19E in the town of Roan Mountain and its southern terminus is NC 261.