Editing Interstate 129 (section)

==History==
After the passage of the [[Federal-Aid Highway Act]] in 1968, the mileage which would eventually be manifested in over {{convert|1400|mi|km}} of Interstate Highway was allocated to the states. Iowa received the smallest allocation, {{convert|0.5|mi|km}}, for the southern bypass of [[Sioux City, Iowa|Sioux City]].<ref name="FHWA Dec 13">{{cite web|url=https://www.fhwa.dot.gov/byday/fhbd1213.htm|title=FHWA By Day - December 13|last=Federal Highway Administration|author-link=Federal Highway Administration|access-date=August 1, 2010}}</ref> The proposed highway was planned to cost $22.5&nbsp;million (equivalent to ${{inflation|US|22.5|1972|r=2}}&nbsp;million in {{inflation/year|US}}), which included $15&nbsp;million (equivalent to ${{inflation|US|15|1972|r=2}}&nbsp;million in {{inflation/year|US}}) for the Missouri River bridge.<ref>{{cite news|title=Hot off the Wire|url=https://www.newspapers.com/clip/838464/hot_off_the_wire/|access-date=August 9, 2014|work=[[Carroll Daily Times Herald]]|location=Carroll, Iowa|date=June 2, 1972|pages=2|via=[[Newspapers.com]]}}{{open access}}</ref> On the 1973 state highway map, the [[Iowa State Highway Commission]] showed the planned route on the state map for the first time.<ref name=DOT1973>{{Cite IowaDOT map|access-date=August 1, 2010|year=1973|inset=Sioux City}}</ref> I-129 was opened on November&nbsp;22, 1976.<ref name="DOT Interstates"/>

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