Interstate 39 (English Wikipedia)

Starks, Edward (January 27, 2022). "Table 1: Main Routes of the Dwight D. Eisenhower National System of Interstate and Defense Highways". FHWA Route Log and Finder List. Federal Highway Administration. Retrieved December 6, 2023.
Weingroff, Richard (October 15, 2013). "Part I: History". The Dwight D. Eisenhower System of Interstate and Defense Highways. Federal Highway Administration. "Interstate Route Additions Under 23 U.S.C. 139(a) As of 12/31/97" (table). Retrieved March 7, 2015.

google.com (Global: 109^th place; English: 87^th place)

"Overview Map of I-39" (Map). Google Maps. Retrieved February 15, 2008.

highwayexplorer.com (Global: low place; English: low place)

"Illinois Highway Ends - I-39". October 11, 2012. Archived from the original on October 11, 2012. Retrieved January 13, 2025.

interstate-guide.com (Global: low place; English: low place)

"Interstate 39". Interstate Guide. AA Roads. July 29, 2008. Archived from the original on May 14, 2012. Retrieved January 11, 2009.^{[self-published source]}

midwestroads.com (Global: low place; English: low place)

Illinois Department of Transportation (April 12, 1978). Priority Primary Routes (PDF) (Map). Illinois Department of Transportation. Retrieved March 23, 2010.

n9jig.com (Global: low place; English: low place)

Carlson, Rich (November 18, 2007). "Routes 21 through 40". Illinois Highways Page. Retrieved January 11, 2009.^{[self-published source]}

nationalbridges.com (Global: low place; English: low place)

Federal Highway Administration. "Structure 000050019120847". National Bridge Inventory. Federal Highway Administration. Archived from the original on January 1, 2014. Retrieved June 1, 2012.

newsbank.com (Global: 492^nd place; English: 245^th place)

infoweb.newsbank.com

Davis, Jenni (September 2, 1992). "I-39 Nearly Finished; 12 More Miles Open Today". Peoria Journal-Star – via Newsbank.

nl.newsbank.com

Walters, Steven (January 16, 1996). "US 51 will become I-39 between Portage, Wausau". Milwaukee Journal Sentinel. Retrieved January 12, 2008.

newspapers.com (Global: 24^th place; English: 12^th place)

Simpson, Kevin (November 3, 2002). "Rescuers Remember Killer Road". The Pantagraph. Bloomington, Illinois. p. 1. Retrieved September 12, 2022 – via Newspapers.com.
Wills, Bill (August 27, 1976). "Sides Square Off in Hearings on Freeway". The Pantagraph. Bloomington, Illinois. p. 3. Retrieved September 12, 2022 – via Newspapers.com.
Featherly, Marc (March 11, 1986). "Close Encounters on US 51 Trip". The Pantagraph. Bloomington, Illinois. pp. A1, A5. Retrieved September 12, 2022 – via Newspapers.com.
"Politics Helped Shelve US 51 Work". The Pantagraph. Bloomington, Illinois. p. 34. Retrieved September 12, 2022 – via Newspapers.com.
Zehr, Melissa (March 8, 1991). "Interstate 39: Crews Work to Link Highway by 1992". The Pantagraph. Bloomington, Illinois. p. 3. Retrieved September 12, 2022 – via Newspapers.com.

state.il.us (Global: 5,114^th place; English: 2,573^rd place)

dot.state.il.us

Illinois Technology Transfer Center (2006). "T2 GIS Data". Illinois Department of Transportation. Retrieved November 8, 2007.

web.archive.org (Global: 1^st place; English: 1^st place)

"Illinois Highway Ends - I-39". October 11, 2012. Archived from the original on October 11, 2012. Retrieved January 13, 2025.
Federal Highway Administration. "Structure 000050019120847". National Bridge Inventory. Federal Highway Administration. Archived from the original on January 1, 2014. Retrieved June 1, 2012.
Buschkopf, Jim. "I-94 reconstruction to be discussed September 19" (Press release). Wisconsin Department of Transportation. Archived from the original on August 27, 2008. Retrieved January 12, 2007.
"Interstate 39". Interstate Guide. AA Roads. July 29, 2008. Archived from the original on May 14, 2012. Retrieved January 11, 2009.^{[self-published source]}
Wisconsin Department of Transportation. "Exit numbers on US 51 and I-39". Exit numbers on Wisconsin's freeways. Wisconsin Department of Transportation. Archived from the original on June 7, 2007. Retrieved June 30, 2007.

wisconsin.gov (Global: 5,318^th place; English: 2,517^th place)

dot.wisconsin.gov

Buschkopf, Jim. "I-94 reconstruction to be discussed September 19" (Press release). Wisconsin Department of Transportation. Archived from the original on August 27, 2008. Retrieved January 12, 2007.
Wisconsin Department of Transportation. "Exit numbers on US 51 and I-39". Exit numbers on Wisconsin's freeways. Wisconsin Department of Transportation. Archived from the original on June 7, 2007. Retrieved June 30, 2007.

wisconsindot.gov (Global: low place; English: low place)

Wisconsin Department of Transportation (2013). Official State Highway Map (PDF) (Map) (2013–2014 ed.). 1:823,680. Madison: Wisconsin Department of Transportation. Retrieved February 5, 2023.
"Wisconsin Electric Vehicle Infrastructure Plan" (PDF). September 1, 2024. Retrieved July 11, 2026.
Wisconsin Department of Transportation (December 31, 2017). Designated Freeways & Expressways (PDF) (Map). Scale not given. Madison: Wisconsin Department of Transportation. Retrieved April 4, 2020.

wisconsinhighways.org (Global: low place; English: low place)

Bessert, Chris (January 2, 2008). "Highways 30-39". Wisconsin Highways. Self-published. Retrieved January 12, 2008.^{[self-published source]}
Bessert, Chris (January 2, 2008). "Highways 70-79". Wisconsin Highways. Self-published. Retrieved January 12, 2008.^{[self-published source]}

Interstate 39 (English Wikipedia)

dot.gov (Global: 1,620th place; English: 841st place)

fhwa.dot.gov

google.com (Global: 109th place; English: 87th place)

highwayexplorer.com (Global: low place; English: low place)

interstate-guide.com (Global: low place; English: low place)

midwestroads.com (Global: low place; English: low place)

n9jig.com (Global: low place; English: low place)

nationalbridges.com (Global: low place; English: low place)

newsbank.com (Global: 492nd place; English: 245th place)

infoweb.newsbank.com

nl.newsbank.com

newspapers.com (Global: 24th place; English: 12th place)

state.il.us (Global: 5,114th place; English: 2,573rd place)

dot.state.il.us

web.archive.org (Global: 1st place; English: 1st place)

wisconsin.gov (Global: 5,318th place; English: 2,517th place)

dot.wisconsin.gov

wisconsindot.gov (Global: low place; English: low place)

wisconsinhighways.org (Global: low place; English: low place)

dot.gov (Global: 1,620^th place; English: 841^st place)

google.com (Global: 109^th place; English: 87^th place)

newsbank.com (Global: 492^nd place; English: 245^th place)

newspapers.com (Global: 24^th place; English: 12^th place)

state.il.us (Global: 5,114^th place; English: 2,573^rd place)

web.archive.org (Global: 1^st place; English: 1^st place)

wisconsin.gov (Global: 5,318^th place; English: 2,517^th place)