U.S. Bicycle Route 21

U.S. Bicycle Route 21 (USBR 21) is a north–south United States Bicycle Route that travels through the northern part of the U.S. state of Georgia and eastern portions of Kentucky.

U.S. Bicycle Route 21
Route information
Length426.1 mi[1][2] (685.7 km)
Existed2015[3]–present
Northern segment
Length265.3 mi[2] (427.0 km)
North endAberdeen, Ohio at state line
Major
junctions
South endTennessee state line southwest of Middlesboro, KY
Southern segment
Length160.8 mi[1] (258.8 km)
North endTennessee state line near Chattanooga, TN
Major
junctions
South endAtlanta, GA near the North Avenue station (MARTA)
Location
StatesKentucky, Georgia
Highway system
← USBR 20 USBR 23 →

Kentucky

Kentucky's segment was approved by the American Association of State Highway and Transportation Officials (AASHTO) in May 2019 (the Spring Meeting).[4]

In Kentucky, this route is also known as the Bluegrass Tour.[5]

Georgia

The Georgia segment was designated in 2015[3] as the first national bicycle route in the state.

USBR 21 follows the Silver Comet Trail for 52 miles (84 km) of the route.[1]


Auxiliary routes

U.S. Bicycle Route 221

U.S. Bicycle Route 221
LocationChickamauga and Chattanooga National Military Park
Length12.3 mi[1] (19.8 km)
Existed2015–present

U.S. Bicycle Route 221 (USBR 221) was originally established in 2015 as USBR 321,[1] but was renumbered to USBR 221 in 2018.[6] It connects to Chickamauga and Chattanooga National Military Park.

U.S. Bicycle Route 421

U.S. Bicycle Route 421
LocationMountain Cove Farms
Length38.7 mi[1] (62.3 km)
Existed2015–present

U.S. Bicycle Route 421 (USBR 421) was originally established in 2015 as USBR 521,[1] but was renumbered to USBR 421 in 2018.[6] It connects to Mountain Cove Farms.[6]

U.S. Bicycle Route 621

U.S. Bicycle Route 621
LocationRome, Georgia
Length25.5 mi[7] (41.0 km)
Existed2016[8]–present

U.S. Bicycle Route 621 (USBR 621) connects to Rome, Georgia.

References
  1. 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.
  2. 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
  3. 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 (PDF) from the original on August 20, 2018. Retrieved February 2, 2019.
  4. Special Committee on U.S. Route Numbering (May 21, 2019). "2019 Spring Meeting Report to the Council on Highways and Streets" (PDF) (Report). Washington, DC: American Association of State Highway and Transportation Officials. p. 10. Archived (PDF) from the original on July 12, 2019. Retrieved June 9, 2019.
  5. On Road Bicycle Routes and Events, Kentucky Transportation Cabinet, retrieved June 9, 2019
  6. Special Committee on U.S. Route Numbering (May 22, 2018). "2018 Spring Meeting Report to the Council on Highways and Streets" (PDF) (Report). Washington, DC: American Association of State Highway and Transportation Officials. Archived (PDF) from the original on June 3, 2019. Retrieved January 31, 2019.
  7. DiGioia, Katelyn (August 11, 2015). "AASHTO Application for Desination of a U.S. Bicycle Route: Georgia USBR No. 621" (PDF). Georgia Department of Transportation. Retrieved February 2, 2019. (applied for as 721 but application was amended to Route Number 621)
  8. Special Committee on U.S. Route Numbering (May 24, 2016). "Special Committee on U.S. Route Numbering" (PDF) (Report). Washington, DC: American Association of State Highway and Transportation Officials. Archived (PDF) from the original on December 16, 2017. Retrieved February 2, 2019.
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