Editing Interstate 90 (section)

===Predecessors and establishment===

An east–west controlled access highway to serve the Northern United States was proposed in the early 20th century in several federal government documents, including reports from the [[Bureau of Public Roads]] in the 1930s and 1940s.<ref>{{cite news |last=Miller |first=James N. |date=July 23, 1939 |title=14,000 Mile Super Highway To Speed Transportation |page=3 |work=The Seattle Times}}</ref><ref>{{cite magazine |last=Pfeiffer |first=David A. |date=Summer 2006 |title=Ike's Interstates at 50 |pages=14–18 |url=https://www.archives.gov/publications/prologue/2006/summer/interstates.html |magazine=[[Prologue (magazine)|Prologue]] |publisher=[[National Archives and Records Administration]] |issn=0033-1031 |oclc=321015582 |accessdate=April 11, 2022 |archive-date=March 2, 2011 |archive-url=https://web.archive.org/web/20110302235254/http://archives.gov/publications/prologue/2006/summer/interstates.html |url-status=live }}</ref> The Interstate Highway System was created by the [[Federal-Aid Highway Act of 1956]], which was approved by the [[U.S. Congress]] and signed into law on June 26, 1956.<ref name="FHWA-Urban">{{cite web |last=Weingroff |first=Richard F. |year=2006 |title=Designating the Urban Interstates |url=https://www.fhwa.dot.gov/infrastructure/fairbank.cfm |publisher=Federal Highway Administration |accessdate=November 30, 2021 |archive-date=December 30, 2017 |archive-url=https://web.archive.org/web/20171230231552/https://www.fhwa.dot.gov/infrastructure/fairbank.cfm |url-status=live }}</ref> I-90 was assigned to the northernmost transcontinental route in the system by the [[American Association of State Highway Officials]] in 1957.<ref name="FHWA-1957">{{cite map |author=American Association of State Highway Officials |date=August 14, 1957 |title=Official Route Numbering for the National System of Interstate and Defense Highways |url=https://upload.wikimedia.org/wikipedia/commons/9/9c/Interstate_Highway_plan_August_14%2C_1957.jpg |scale=Scale not given |location=Washington, D.C. |publisher=[[Public Roads Administration]] |via=Wikimedia Commons |accessdate=November 30, 2021 |archive-date=May 3, 2021 |archive-url=https://web.archive.org/web/20210503214401/https://upload.wikimedia.org/wikipedia/commons/9/9c/Interstate_Highway_plan_August_14,_1957.jpg |url-status=live }}</ref><ref>{{cite news |last=Hodenfield |first=G. K. |date=September 26, 1957 |title=New Markers to Dot Super Roads |page=1 |work=[[The Indianapolis News]] |url=https://www.newspapers.com/clip/89671853/new-markers-to-dot-super-roads/ |via=Newspapers.com |accessdate=November 30, 2021 |archive-date=November 29, 2021 |archive-url=https://web.archive.org/web/20211129053729/https://www.newspapers.com/clip/89671853/new-markers-to-dot-super-roads/ |url-status=live }}</ref>

The freeway would travel along existing parts of the [[United States Numbered Highway System]], which was established at the suggestion of the federal government in 1926 to replace the named [[auto trail]]s.<ref>{{cite web |last=Weingroff |first=Richard F. |title=From Names to Numbers: The Origins of the U.S. Numbered Highway System |url=https://www.fhwa.dot.gov/infrastructure/numbers.cfm |work=Highway History |publisher=Federal Highway Administration |accessdate=December 9, 2021 |archive-date=September 1, 2019 |archive-url=https://web.archive.org/web/20190901182531/https://www.fhwa.dot.gov/infrastructure/numbers.cfm |url-status=live }}</ref> Among these auto trails, which were generally designated by private motorist organizations, were the transcontinental [[Yellowstone Trail]] and [[National Parks Highway]], created in the 1910s along the future route of I-90 between Seattle and Boston.<ref>{{cite magazine |last=Westgard |first=A. L. |author-link=A. L. Westgard |date=June 7, 1919 |title=Let's Go: Here Are the Motor Trails from Atlantic to Pacific—and All Points Between |pages=360–361, 379 |magazine=[[The Independent (New York City)|The Independent]] |volume=98 |issue=3678 |oclc=4927591 |url=https://books.google.com/books?id=LvDlAAAAMAAJ&pg=PA360 |via=Google Books |accessdate=December 9, 2021 |archive-date=October 9, 2022 |archive-url=https://web.archive.org/web/20221009233351/https://books.google.com/books?id=LvDlAAAAMAAJ&pg=PA360 |url-status=live }}</ref><ref>{{cite news |last=Burkhart |first=Dan |date=February 17, 1998 |title=Interstate 90 had rough, rutted forerunner |page=8M |work=[[Great Falls Tribune]] |url=https://www.newspapers.com/clip/90281383/interstate-90-had-rough-rutted/ |via=Newspapers.com |accessdate=December 9, 2021 |archive-date=December 9, 2021 |archive-url=https://web.archive.org/web/20211209081242/https://www.newspapers.com/clip/90281383/interstate-90-had-rough-rutted/ |url-status=live }}</ref> The national numbered highways along the corridor included [[U.S. Route 10|US&nbsp;10]] from Seattle to Billings, Montana; [[U.S. Route 87|US&nbsp;87]] from Billings to [[Buffalo, Wyoming]]; [[U.S. Route 16|US&nbsp;16]] from Buffalo to [[Portage, Wisconsin]]; [[U.S. Route 51|US&nbsp;51]] from Portage to [[Rockford, Illinois]] and [[U.S. Route 20|US&nbsp;20]] from Rockford to Boston.<ref>{{cite book |author=Joint Board on Interstate Highways |year=1925 |title=Report of Joint Board on Interstate Highways, October 30, 1925, Approved by the Secretary of Agriculture, November 18, 1925 |chapter=Appendix VI: Descriptions of the Interstate Routes Selected, with Numbers Assigned |pages=50–56 |chapter-url=https://en.wikisource.org/wiki/Report_of_Joint_Board_on_Interstate_Highways_October_30,_1925#48 |location=Washington, D.C. |publisher=[[United States Department of Agriculture]] |id={{OCLC|733875457|55123355|71026428}} |via=[[Wikisource]] |accessdate=December 9, 2021 |archive-date=November 14, 2017 |archive-url=https://web.archive.org/web/20171114145350/https://en.wikisource.org/wiki/Report_of_Joint_Board_on_Interstate_Highways_October_30,_1925#48 |url-status=live }}</ref><ref>{{cite map |author1= [[Bureau of Public Roads]] |author2= [[American Association of State Highway Officials]] |date= November 11, 1926 |title= United States System of Highways Adopted for Uniform Marking by the American Association of State Highway Officials |url= https://commons.wikimedia.org/wiki/File:United_States_System_of_Highways_Adopted_for_Uniform_Marking_by_the_American_Association_of_State_Highway_Officials.jpg |scale= 1:7,000,000 |location= Washington, DC |publisher= [[United States Geological Survey]] |oclc= 32889555 |via= [[Wikimedia Commons]] |accessdate= December 9, 2021 |archive-date= April 13, 2017 |archive-url= https://web.archive.org/web/20170413153913/https://commons.wikimedia.org/wiki/File:United_States_System_of_Highways_Adopted_for_Uniform_Marking_by_the_American_Association_of_State_Highway_Officials.jpg |url-status= live }}</ref>