Oregon Department of Transportation

俄勒冈州州道（英語：Oregon State Highway）是俄勒冈州境内由俄勒冈州运输部（英语：Oregon Department of Transportation）建设和维护的州级公路。 Oregon Department of Transportation（页面存档备份，存于互联网档案馆） Oregon Highways

Straightline Charts. Transportation Development Division, Oregon Department of Transportation. [October 3, 2015]. （原始内容存档于2015-09-24）.  Fremont Highway

On Some Interstate Freeways in Oregon (PDF). Oregon Department of Transportation（英语：Oregon Department of Transportation）. [October 12, 2009]. （原始内容 (PDF)存档于May

由于波特兰市区以及华盛顿州温哥华的快速发展，华盛顿州运输部（英语：Washington Department of Transportation）和俄勒冈州运输部（英语：Oregon Department of Transportation）正在规划对该公路的改善工程，以适应增长的车流量。在温哥华，华盛顿州运输部

Landmarks -- Portland, Oregon (XLS), July 2010 [May 8, 2016] . St. Johns Bridge Rehabilitation Project. Oregon Department of Transportation. [2006-11-05]. （原始内容存档于2012-08-15）