Editing Four Level Interchange (section)

{{Short description|Stack interchange in Los Angeles}}
{{Use mdy dates|date=January 2025}}
{{Infobox road junction
|country=USA
|name=Four Level Interchange
|image=Four Level Interchange.jpg
|image_caption= Four Level Interchange of Arroyo Seco Parkway, Harbor Freeway, Santa Ana Freeway and Hollywood Freeway, looking northeast in January 1999
|maint=[[California Department of Transportation]]
|location=[[Los Angeles]], [[California]]
|coord={{coord|34|3|45|N|118|14|55|W|display=inline,title}}
|roads={{Plainlist|
*{{Jct|country=USA|SR|110|state=CA|name1=[[Arroyo Seco Parkway]] / Harbor Freeway}}
*{{Jct|country=USA|US|101|state=CA|name1=[[Hollywood Freeway]] / [[Santa Ana Freeway]]}}
}}
|type= Four-level [[stack interchange]]
|const=1949
|opened=1953
|height=
|other_names=Bill Keene Memorial Interchange
}}

The '''Four Level Interchange''' (officially the '''Bill Keene Memorial Interchange''') is the first [[stack interchange]] in the world.<ref>[http://cache.search.yahoo-ht2.akadns.net/search/cache?ei=UTF-8&p=Four+Level+interchange&fr=slv8-msgr&u=members.cox.net/mkpl/interchange/interchange.html&w=four+level+leveling+levels+interchange&d=IAEcZZzfQ9Jj&icp=1&.intl=us Four Level interchange-Los Angeles-Orange County Frwys]{{Dead link|date=December 2019 |bot=InternetArchiveBot |fix-attempted=yes }}</ref> Completed in 1949 and fully opened in 1953 at the northern edge of [[Downtown Los Angeles]], [[California]], [[United States]], it connects [[U.S. Route 101 in California|U.S. Route 101]] ([[Hollywood Freeway]] and [[Santa Ana Freeway]]) to [[Interstate 110 and State Route 110 (California)|State Route 110]] ([[Harbor Freeway]] and [[Arroyo Seco Parkway]]). In 2006, the interchange was officially renamed in the memory of Los Angeles traffic and weather reporter [[Bill Keene]].