Bulley, W. A. (May 2, 1978). "Route Numbering, I-5 Tacoma Spur". Washington State Department of Transportation. p. 10. Retrieved September 29, 2020 – via American Association of State Highway and Transportation Officials.
Washington State Department of Transportation (2014). Washington State Highways, 2014–2015(PDF) (Map). 1:842,000. Olympia: Washington State Department of Transportation. Downtown Tacoma inset. Retrieved March 14, 2022.
"SR 705 – Junction 15th Street/A Street"(PDF) (Map). Interchange Viewer. Washington State Department of Transportation. June 22, 2007. Retrieved March 14, 2022.
Washington State Legislature (April 23, 1979). "Chapter 33: State Highway Routes". Washington Laws, 1979 1st Extraordinary Session(PDF). Washington State Legislature. pp. 1119–1120. Retrieved March 4, 2017.
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Washington State Department of Transportation (2014). Washington State Highways, 2014–2015(PDF) (Map). 1:842,000. Olympia: Washington State Department of Transportation. Downtown Tacoma inset. Retrieved March 14, 2022.