"A Year's 'Resume'". Washington Highway News. Vol. 9, no. 2. Washington State Department of Highways. September 1960. p. 36. OCLC29654162. Retrieved April 3, 2022 – via WSDOT Library Digital Collections.
Washington State Highways, 2014–2015(PDF) (Map). 1:842,000. Olympia: Washington State Department of Transportation. 2014. Retrieved September 20, 2018.
"SR 395: Junction SR 240"(PDF). Washington State Department of Transportation. December 17, 2015. Retrieved September 20, 2018.
Bridges and Structures Office (August 2018). "Bridge List (M 23-09.09)"(PDF). Washington State Department of Transportation. pp. 275–279. Retrieved September 20, 2018.
"A Year's 'Resume'". Washington Highway News. Vol. 9, no. 2. Washington State Department of Highways. September 1960. p. 36. OCLC29654162. Retrieved April 3, 2022 – via WSDOT Library Digital Collections.