| State Route 172 | ||||
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| Route information | ||||
| Maintained by TDOT | ||||
| Length: | 12.2 mi (19.6 km) | |||
| Major junctions | ||||
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| Location | ||||
| Counties: | Greene | |||
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State Route 172 (SR 172) is a state highway in Greene County, Tennessee. It begins at an partially unsigned intersection with US 321 near downtown Greeneville and it is signed starting at its intersection with US 11E/US 321 Bypass and ends at Interstate 81 in Baileyton.
State Route 172 formerly traveled 5 miles more than it does now and ended in Hawkins County at State Route 347.