华盛顿州州道

华盛顿州州道英語:)是华盛顿州境内由华盛顿州交通部建设和维护的州级公路。华盛顿州州道网絡总长逾7,000英里(11,270(含經過州內的州際公路美國國道),涵蓋州內百分之8.5的公路,並承載州內逾半的交通流量[1][2]。州內其他公路則位於建制地方內,或由縣政府養護[3]

參考資料

  1. Staff. (PDF) (报告). Washington State Department of Transportation. 2006 [2012-05-26]. (原始内容 (PDF)存档于2008-04-10).
  2. Staff. (报告). Washington State Department of Transportation. 2006 [2012-05-26]. (原始内容存档于2011-06-11).
  3. Staff. . Revised Code of Washington. Washington State Legislature. [2008-03-01]. (原始内容存档于2006-09-30).
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