Airport Transit System Terminal 1 signage at O'Hare International Airport
<a href="https://en.wikipedia.org/wiki/User:Lex839" class="extiw" title="en:User:Lex839">Lex839</a> (<a href="https://en.wikipedia.org/wiki/User_talk:Lex839" class="extiw" title="en:User talk:Lex839">talk</a>)
16 October 2008 (original upload date)
<span class="int-own-work" lang="en">Own work</span> (<span lang="en" dir="ltr">Original text: <i><bdi lang="">I created this work entirely by myself.</bdi></i></span>)