5号州际公路华盛顿州段
5号州际公路（英語：Interstate 5, I-5）华盛顿州段全长276.62英里，[1][2]从美加边境向南延伸到华盛顿州与俄勒冈州的交界（哥伦比亚河）。
参考文献
- ^ Federal Highway Administration Route Log and Finder List, Main Routes of the Dwight D. Eisenhower National System Of Interstate and Defense Highways as of October 31, 2002 Archived 2013-08-22 at WebCite
- ^ Washington State Department of Transportation, State Highway Log （页面存档备份，存于互联网档案馆）, 2006
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