State Route 221
Alamo Gadsden Road
SR 221 highlighted in red
Route information
Maintained by TDOT
Length	7.4 mi (11.9 km)
Existed	July 1, 1983[1]–present
Major junctions
West end	SR 54 / SR 88 in Alamo
East end	US 70A / US 79 in Gadsden
Location
Country	United States
State	Tennessee
Highway system
Tennessee State Routes Interstate US State
← SR 220 → SR 222

State Route 221 (SR 221) is a 7.4 miles (11.9 km) east-west state highway in Crockett County, Tennessee, connecting the towns of Alamo and Gadsden. For the majority of its length, SR 221 is known as Alamo Gadsden Road.

SR 221 begins in downtown Alamo at an intersection with SR 54 and SR 88. It goes east through neighborhoods as E Church Street before leaving Alamo and passing through farmland and rural areas as Alamo Gadsden Road. It goes due east for several miles, where it crosses over a large creek, before turning southeast at a Y-Intersection with Emerson Road to enter Gadsden. The highway enters town along Quincy Street and passes by some homes before coming to an end at an intersection with US 70A/US 79/SR 76. The entire route of SR 221 is a two-lane highway.^[2][3]

The entire route is in Crockett County.

Location	mi	km	Destinations	Notes
Alamo	0.0	0.0	SR 54 east (N Bells Street) – Trenton SR 54 west / SR 88 west (W Church Street) to US 412 – Maury City, Brownsville SR 88 east (N Bells Street) – Bells	Western terminus
Gadsden	7.4	11.9	US 70A / US 79 (SR 76) – Bells, Humboldt	Eastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi