Tennessee State Route 309

State Route 309 marker
State Route 309
Union Grove Road
Map
SR 309 highlighted in red
Route information
Maintained by TDOT
Length2.6 mi (4.2 km)
ExistedJuly 1, 1983[1]–present
Major junctions
West end I-75 near Niota
East end US 11 in Niota
Location
CountryUnited States
StateTennessee
CountiesMcMinn
Highway system
SR 308 SR 310

State Route 309 (SR 309), also known as Union Grove Road, is a 2.6-mile-long (4.2 km) east–west state highway in McMinn County, Tennessee. It serves as the primary access road from Interstate 75 (I-75, Exit 56) to the town of Niota.

  1. ^ "The Road To 100 Years" (PDF). Tennessee Road Builder. Vol. 17, no. 5. September 2014. p. 22. Retrieved April 6, 2019.