 |
 U.S. Bicycle Route 21 | ||||
|---|---|---|---|---|
| Route information | ||||
| Length | 1,043.4 mi[1][2][3][4] (1,679.2 km) | |||
| Existed | 2015[5]–present | |||
| Major junctions | ||||
| North end |  USBR 30 in Cleveland | |||
| ||||
| South end | Atlanta, GA near the North Avenue station (MARTA) | |||
| Location | ||||
| Country | United States | |||
| States | Ohio, Kentucky, Tennessee, Georgia | |||
| Highway system | ||||
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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.
- ^ DiGioia, Katelyn (August 11, 2015). "AASHTO Application for Designation of a U.S. Bicycle Route: Georgia USBR No. 21" (PDF). Georgia Department of Transportation. Retrieved February 2, 2019.
- ^ "A new state joins the USBRS!" (Press release). Missoula, Montana: Adventure Cycling Association. November 30, 2022. Retrieved December 1, 2022.
- ^ Hearn, Troy (August 1, 2018). "Application for Designation of a U.S. Bicycle Route: Kentucky USBR No. 21" (PDF). p. 1. Retrieved June 8, 2019.
- ^ "U.S. Bicycle Route System Adds 2,903 Miles of New Routes in 5 States" (Press release). Missoula, Montana: Adventure Cycling Association. August 9, 2021. Retrieved August 10, 2021.
- ^ Special Committee on U.S. Route Numbering (September 25, 2015). "Special Committee on U.S. Route Numbering Report to the Standing Committee on Highways" (PDF) (Report). Washington, DC: American Association of State Highway and Transportation Officials. p. 3. Archived from the original (PDF) on August 20, 2018. Retrieved February 2, 2019.