20号美国国道

20号美国国道（）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。

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 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 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  Site dedicated to the preservation and promotion of Historic US Route 20

美國國道