State Route 127
Route information
Maintained by ALDOT
Length	13.510 mi[1] (21.742 km)
Major junctions
South end	SR 99 in Athens
North end	SR 166 at the Tennessee state line at Bethel, Tennessee
Location
Country	United States
State	Alabama
Counties	Limestone
Highway system
Alabama State Highway System Interstate US State
← SR 126 → SR 128

State Route 127 (SR 127) is a 13.510-mile (21.742 km) state highway that serves the north-central areas of Limestone County in the north-central part of the U.S. state of Alabama. SR 127 intersects SR 99 at its southern terminus in Athens and continues as Tennessee State Route 166 (SR 166) upon entering Tennessee at its northern terminus.

SR 127 begins at an intersection with SR 99 (running concurrently with Elm Street) opposite Jefferson Street in northern Athens.^[2] From this point, the highway travels in a northerly direction before turning in a northwesterly direction north of Elkmont.^[3] SR 127 continues in its northwesterly path in crossing the Elk River prior to reaching the Tennessee state line and continues as SR 166.^[4]

The entire route is in Limestone County.

Location	mi[1]	km	Destinations	Notes
Athens	0.000	0.000	SR 99 (Elm Street) / Jefferson Street	Southern terminus
​	13.510	21.742	SR 166 north (Bethel Road) – Bethel, Pulaski	Tennessee state line; northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

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