National Highway System: Oregon(PDF) (Map). Federal Highway Administration. March 25, 2015. Archived(PDF) from the original on April 19, 2014. Retrieved June 18, 2018.
"Firing Center Route Chosen for I-82". Ellensburg Daily Record. Associated Press. November 16, 1965. p. 1. Archived from the original on November 26, 2021. Retrieved September 8, 2018 – via Google News Archive.
"113-Mile Road To Plymouth Given Routing". Ellensburg Daily Record. Associated Press. May 22, 1963. p. 1. Archived from the original on December 10, 2021. Retrieved September 8, 2018 – via Google News Archive.
"Last Word on Highways Given". Ellensburg Daily Record. November 13, 1963. p. 1. Archived from the original on November 21, 2021. Retrieved September 8, 2018 – via Google News Archive.
"I-82 to open six months early". Ellensburg Daily Record. August 8, 1970. Archived from the original on November 23, 2021. Retrieved September 8, 2018 – via Google News Archive.
"Two States Study New Highway Route". Corvallis Gazette-Times. United Press International. September 16, 1965. p. 18. Archived from the original on September 9, 2018. Retrieved September 8, 2018 – via Newspapers.com.
"Yakima Freeway Route Approved". Capital Journal. Salem, Oregon. United Press International. July 24, 1969. p. 15. Archived from the original on September 9, 2018. Retrieved September 8, 2018 – via Newspapers.com.
"I-82 will enter at Wallula". Capital Journal. Salem, Oregon. Associated Press. October 16, 1971. p. 17. Archived from the original on September 9, 2018. Retrieved September 8, 2018 – via Newspapers.com.
Trumbo, John (February 9, 2010). "Benton funding bid shrinks". Tri-City Herald. p. B1. Archived from the original on October 10, 2022. Retrieved October 9, 2022 – via Newspapers.com.
"New Route For I-82?". Washington Highway News. Vol. 13, no. 4. Washington State Department of Highways. December 1966. p. 17. OCLC29654162. Archived from the original on September 13, 2018. Retrieved September 12, 2018 – via Washington State Department of Transportation Library Digital Collections.
"Route for State Highway 3 Bypass of Yakima Is Set". Washington Highway News. Vol. 7, no. 1. Washington State Department of Highways. July 1957. p. 8. OCLC29654162. Archived from the original on September 8, 2018. Retrieved September 8, 2018 – via Washington State Department of Transportation Library Digital Collections.
"Construction Roundup: Interstate 82". Washington Highway News. Washington State Department of Highways. January 1966. p. 20. OCLC29654162. Archived from the original on September 9, 2018. Retrieved September 8, 2018 – via Washington State Department of Transportation Library Digital Collections.
Garrett, Harold (November 1971). "History of the Yakima Canyon and Interstate Highway 82". Washington Highway News. Washington State Department of Highways. pp. 13–15. OCLC29654162. Archived from the original on September 9, 2018. Retrieved September 8, 2018 – via Washington State Department of Transportation Library Digital Collections.
oregon.gov
ODOT Transportation Data Section and Transportation Systems Monitoring Unit (November 2017). "2016 Transportation Volume Tables"(PDF). Oregon Department of Transportation. p. 92. Archived(PDF) from the original on June 19, 2018. Retrieved June 18, 2018.
Andrews, George H. (June 9, 1975). "Renumbering of I-82". Letter to E. D. Tisdale. Washington State Department of Highways. Retrieved September 24, 2022 – via AASHTO Route Numbering Archive.
"2016 Annual Traffic Report"(PDF). Washington State Department of Transportation. pp. 114–116. Archived from the original(PDF) on August 12, 2017. Retrieved June 18, 2018.
"SR 90 – Exit 110: Junction SR 82"(PDF). Interchange Viewer. Washington State Department of Transportation. August 29, 2017. Archived(PDF) from the original on January 27, 2017. Retrieved June 17, 2018.
Prahl, C. G. (December 1, 1965). "Identification of State Highways"(PDF). Washington State Highway Commission. Archived from the original(PDF) on October 30, 2020. Retrieved September 9, 2018.
"Chapter 65: Classifying Public Highways"(PDF). Session Laws of the State of Washington, 1913. Washington State Legislature. March 12, 1913. pp. 221–224. Archived(PDF) from the original on September 9, 2015. Retrieved July 3, 2018.
"Chapter 190: Establishment of Primary State Highways"(PDF). Session Laws of the State of Washington, Twenty-Fifth Session. Washington State Legislature. March 17, 1937. pp. 933–943. Archived(PDF) from the original on September 9, 2015. Retrieved July 3, 2018.
"Chapter 239: Public Highways"(PDF). Session Laws of the State of Washington, 1943. Washington State Legislature. March 20, 1943. p. 715. Archived(PDF) from the original on September 10, 2015. Retrieved July 3, 2018.
"Chapter 51: State Highways – Route Numbers"(PDF). Session Laws of the State of Washington, 1970 1st extraordinary session. Washington State Legislature. February 24, 1970. p. 350. Archived(PDF) from the original on June 2, 2017. Retrieved September 9, 2018.
"Chapter 151: State Highways – Route Designations"(PDF). Session Laws of the State of Washington, 1973 1st extraordinary session. Washington State Legislature. April 25, 1973. pp. 1096–1097. Archived(PDF) from the original on September 10, 2015. Retrieved September 19, 2018.
"Chapter 177: State Highway Routes Revised"(PDF). Session Laws of the State of Washington, 1985. Washington State Legislature. April 25, 1985. p. 674. Archived(PDF) from the original on September 10, 2015. Retrieved September 19, 2018.
Highways of the State of Washington (Map). Cartography by Rand McNally. Washington State Department of Highways. 1939. OCLC5673231. Archived from the original on March 7, 2016. Retrieved July 5, 2018 – via Washington State Archives.
National Highway System: Oregon(PDF) (Map). Federal Highway Administration. March 25, 2015. Archived(PDF) from the original on April 19, 2014. Retrieved June 18, 2018.
"2016 Annual Traffic Report"(PDF). Washington State Department of Transportation. pp. 114–116. Archived from the original(PDF) on August 12, 2017. Retrieved June 18, 2018.
ODOT Transportation Data Section and Transportation Systems Monitoring Unit (November 2017). "2016 Transportation Volume Tables"(PDF). Oregon Department of Transportation. p. 92. Archived(PDF) from the original on June 19, 2018. Retrieved June 18, 2018.
"SR 90 – Exit 110: Junction SR 82"(PDF). Interchange Viewer. Washington State Department of Transportation. August 29, 2017. Archived(PDF) from the original on January 27, 2017. Retrieved June 17, 2018.
"Chapter 65: Classifying Public Highways"(PDF). Session Laws of the State of Washington, 1913. Washington State Legislature. March 12, 1913. pp. 221–224. Archived(PDF) from the original on September 9, 2015. Retrieved July 3, 2018.
Kershner, Jim (October 9, 2013). "Inland Empire Highway". HistoryLink. Archived from the original on July 4, 2018. Retrieved July 3, 2018.
"Chapter 190: Establishment of Primary State Highways"(PDF). Session Laws of the State of Washington, Twenty-Fifth Session. Washington State Legislature. March 17, 1937. pp. 933–943. Archived(PDF) from the original on September 9, 2015. Retrieved July 3, 2018.
Highways of the State of Washington (Map). Cartography by Rand McNally. Washington State Department of Highways. 1939. OCLC5673231. Archived from the original on March 7, 2016. Retrieved July 5, 2018 – via Washington State Archives.
"Chapter 239: Public Highways"(PDF). Session Laws of the State of Washington, 1943. Washington State Legislature. March 20, 1943. p. 715. Archived(PDF) from the original on September 10, 2015. Retrieved July 3, 2018.
Prahl, C. G. (December 1, 1965). "Identification of State Highways"(PDF). Washington State Highway Commission. Archived from the original(PDF) on October 30, 2020. Retrieved September 9, 2018.
"Chapter 51: State Highways – Route Numbers"(PDF). Session Laws of the State of Washington, 1970 1st extraordinary session. Washington State Legislature. February 24, 1970. p. 350. Archived(PDF) from the original on June 2, 2017. Retrieved September 9, 2018.
"Firing Center Route Chosen for I-82". Ellensburg Daily Record. Associated Press. November 16, 1965. p. 1. Archived from the original on November 26, 2021. Retrieved September 8, 2018 – via Google News Archive.
"113-Mile Road To Plymouth Given Routing". Ellensburg Daily Record. Associated Press. May 22, 1963. p. 1. Archived from the original on December 10, 2021. Retrieved September 8, 2018 – via Google News Archive.
"Two States Study New Highway Route". Corvallis Gazette-Times. United Press International. September 16, 1965. p. 18. Archived from the original on September 9, 2018. Retrieved September 8, 2018 – via Newspapers.com.
"New Route For I-82?". Washington Highway News. Vol. 13, no. 4. Washington State Department of Highways. December 1966. p. 17. OCLC29654162. Archived from the original on September 13, 2018. Retrieved September 12, 2018 – via Washington State Department of Transportation Library Digital Collections.
"Yakima Freeway Route Approved". Capital Journal. Salem, Oregon. United Press International. July 24, 1969. p. 15. Archived from the original on September 9, 2018. Retrieved September 8, 2018 – via Newspapers.com.
"I-82 will enter at Wallula". Capital Journal. Salem, Oregon. Associated Press. October 16, 1971. p. 17. Archived from the original on September 9, 2018. Retrieved September 8, 2018 – via Newspapers.com.
"Chapter 151: State Highways – Route Designations"(PDF). Session Laws of the State of Washington, 1973 1st extraordinary session. Washington State Legislature. April 25, 1973. pp. 1096–1097. Archived(PDF) from the original on September 10, 2015. Retrieved September 19, 2018.
"Last Word on Highways Given". Ellensburg Daily Record. November 13, 1963. p. 1. Archived from the original on November 21, 2021. Retrieved September 8, 2018 – via Google News Archive.
"Route for State Highway 3 Bypass of Yakima Is Set". Washington Highway News. Vol. 7, no. 1. Washington State Department of Highways. July 1957. p. 8. OCLC29654162. Archived from the original on September 8, 2018. Retrieved September 8, 2018 – via Washington State Department of Transportation Library Digital Collections.
"Construction Roundup: Interstate 82". Washington Highway News. Washington State Department of Highways. January 1966. p. 20. OCLC29654162. Archived from the original on September 9, 2018. Retrieved September 8, 2018 – via Washington State Department of Transportation Library Digital Collections.
Garrett, Harold (November 1971). "History of the Yakima Canyon and Interstate Highway 82". Washington Highway News. Washington State Department of Highways. pp. 13–15. OCLC29654162. Archived from the original on September 9, 2018. Retrieved September 8, 2018 – via Washington State Department of Transportation Library Digital Collections.
"I-82 to open six months early". Ellensburg Daily Record. August 8, 1970. Archived from the original on November 23, 2021. Retrieved September 8, 2018 – via Google News Archive.
"Chapter 177: State Highway Routes Revised"(PDF). Session Laws of the State of Washington, 1985. Washington State Legislature. April 25, 1985. p. 674. Archived(PDF) from the original on September 10, 2015. Retrieved September 19, 2018.
Trumbo, John (February 9, 2010). "Benton funding bid shrinks". Tri-City Herald. p. B1. Archived from the original on October 10, 2022. Retrieved October 9, 2022 – via Newspapers.com.
Highways of the State of Washington (Map). Cartography by Rand McNally. Washington State Department of Highways. 1939. OCLC5673231. Archived from the original on March 7, 2016. Retrieved July 5, 2018 – via Washington State Archives.
"New Route For I-82?". Washington Highway News. Vol. 13, no. 4. Washington State Department of Highways. December 1966. p. 17. OCLC29654162. Archived from the original on September 13, 2018. Retrieved September 12, 2018 – via Washington State Department of Transportation Library Digital Collections.
"Route for State Highway 3 Bypass of Yakima Is Set". Washington Highway News. Vol. 7, no. 1. Washington State Department of Highways. July 1957. p. 8. OCLC29654162. Archived from the original on September 8, 2018. Retrieved September 8, 2018 – via Washington State Department of Transportation Library Digital Collections.
"Construction Roundup: Interstate 82". Washington Highway News. Washington State Department of Highways. January 1966. p. 20. OCLC29654162. Archived from the original on September 9, 2018. Retrieved September 8, 2018 – via Washington State Department of Transportation Library Digital Collections.
Garrett, Harold (November 1971). "History of the Yakima Canyon and Interstate Highway 82". Washington Highway News. Washington State Department of Highways. pp. 13–15. OCLC29654162. Archived from the original on September 9, 2018. Retrieved September 8, 2018 – via Washington State Department of Transportation Library Digital Collections.