State Route 115 (SR 115) is a 3.250-mile-long (5.230 km) state highway in Coosa County. The southern terminus of the highway is at an intersection with SR 9 in the eastern part of the county. The northern terminus is at an intersection with U.S. Route 280 (US 280) northwest of Alexander City in Kellyton.

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SR 115 is routed along a two-lane roadway in southeastern Coosa County. It travels to the northeast from an intersection with SR 9 towards its northern terminus at US 280. The highway serves as a shortcut between SR 9 and US 280.

The entire route is in Coosa County.

Location	mi	km	Destinations	Notes
​	0.000	0.000	SR 9 – Wetumpka, Goodwater	Southern terminus
Kellyton	3.250	5.230	US 280 (SR 38) – Sylacauga, Alexander City	Northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

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