# U.S. Bicycle Route 21

> long-distance bicycle route in the eastern United States

**Wikidata**: [Q61437491](https://www.wikidata.org/wiki/Q61437491)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/U.S._Bicycle_Route_21)  
**Source**: https://4ort.xyz/entity/u-s-bicycle-route-21


## References

1. Special Committee on U.S. Route Numbering Report to the Standing Committee on Highways (September 25, 2015)
2. 2019 Spring Meeting Report to the Council on Highways and Streets (May 21, 2019)
3. 2021 Spring Meeting Report to the Council on Highways and Streets
4. [Source](https://www.adventurecycling.org/about-us/media/press-releases/u-s-bicycle-route-system-adds-2-903-miles-of-new-routes-in-5-states/)
5. 2022 Annual Meeting Report to the Council on Highways and Streets
6. [Source](https://www.adventurecycling.org/about-us/media/press-releases/a-new-state-joins-the-usbrs/)