The <a href="https://en.wikipedia.org/wiki/Four_Level_Interchange" id="mwqA" rel="mw:WikiLink" title="Four Level Interchange">Four Level Interchange</a>, first <a href="https://en.wikipedia.org/wiki/Stack_interchange" id="mwqQ" rel="mw:WikiLink" title="Stack interchange">stack interchange</a> in the world opened in <a href="https://en.wikipedia.org/wiki/Los_Angeles" id="mwqg" rel="mw:WikiLink" title="Los Angeles">Los Angeles</a>.<sup about="#mwt73" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-12"}}' id="cite_ref-12" rel="dc:references" typeof="mw:Extension/ref"><a href="./September_22#cite_note-12" id="mwqw" style="counter-reset: mw-Ref 12;"><span class="mw-reflink-text" id="mwrA">[12]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-12"><cite about="#mwt70" class="citation web cs1" id="mwB60"><a class="external text" href="https://365daysofmotoring.com/the-first-four-level-or-stack-interchange-in-the-world-opened-in-los-angeles-california-at-the-intersection-of-the-harbor-hollywood-pasadena-and-santa-ana-freeways-where-32-la/" id="mwB64" rel="mw:ExtLink nofollow">"On This Day In Automotive History Motoring"</a>. <i id="mwB68">365 Days Of Motoring</i>.</cite><span about="#mwt70" class="Z3988" id="mwB7A" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=unknown&amp;rft.jtitle=365+Days+Of+Motoring&amp;rft.atitle=On+This+Day+In+Automotive+History+Motoring&amp;rft_id=https%3A%2F%2F365daysofmotoring.com%2Fthe-first-four-level-or-stack-interchange-in-the-world-opened-in-los-angeles-california-at-the-intersection-of-the-harbor-hollywood-pasadena-and-santa-ana-freeways-where-32-la%2F&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3ASeptember+22"></span></span>