U.S. Bicycle Route 21

U.S. Bicycle Route 21
Route information
Length1,043.4 mi (1,679.2 km)
Existed2015–present
Major junctions
North end USBR 30 in Cleveland
Major intersections
South endAtlanta, GA near the North Avenue station (MARTA)
Location
CountryUnited States
StatesOhio, Kentucky, Tennessee, Georgia
Highway system
USBR 20 USBR 23

U.S. Bicycle Route 21 (USBR 21) is a north–south United States Bicycle Route that travels through Ohio, Kentucky, Tennessee, and Georgia in the United States.