20号美国国道
20号美国国道（英语：U.S. Route 20）是一条东西方向的美国国道。该公路连接了俄勒冈州纽波特和马萨诸塞州波士顿，全长3,365英里。
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| 道路信息 | ||||
| 管理方 | 爱达荷交通厅[*]、Indiana Department of Transportation[*]、Ohio Department of Transportation[*]、马萨诸塞州交通部、Nebraska Department of Transportation[*]、蒙大拿州运输部[*]、Wyoming Department of Transportation[*] | |||
| 道路总长 | 3,365英里（5,415公里） | |||
| 启用时间 | 11 11 1926 | |||
| 公路系统 | ||||
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外部链接
- Galena Bypass project homepage
- Illinois Highway Ends: US 20
- Indiana Highway Ends: US 20
- In Search of...U.S. Route 20 in Ohio by Michael G. Buettner, February 2006
- US 20 Travelogue in New York（页面存档备份，存于互联网档案馆） at Empire State Roads
- "On Route 20, Where the Past Is Present": August 11, 2006, article in The New York Times Escapes section.
- Flickr Group（页面存档备份，存于互联网档案馆） for photos taken along US 20
- US 20 as USends.com
- Twenty West: The Great Road Across America—book about US 20
- Historic US Route 20 Association（页面存档备份，存于互联网档案馆） Site dedicated to the preservation and promotion of Historic US Route 20