Now it's easier than ever to ride a U.S. Bicycle Route! Explore routes and download maps below.
To see all routes in a state, select the state name in the left-hand navigation. To see an individual route, select the route number listed under a state, or select the "view route" link that appears when you click on one of the route lines on a state-level map or the U.S. overview map.
To download a route, click the “Send to Device” link.
Other things to know:
If you have questions or feedback about the digital maps or the USBRS, send us an email.
For general Ride with GPS support, check out this help page.
USBR 21 connects Atlanta to the Tennessee border near Chattanooga. It begins in downtown Atlanta at the Five Points MARTA Train Station, connects to the Silver Comet Trail, and follows two-lane country roads through northwest Georgia.