The <a href="https://en.wikipedia.org/wiki/Airport_Transit_System" class="extiw" title="en:Airport Transit System">Airport Transit System</a> (ATS) is an automated people mover system at <a href="https://en.wikipedia.org/wiki/O%27Hare_International_Airport" class="extiw" title="en:O'Hare International Airport">O'Hare International Airport</a> in Chicago, Illinois.
<a href="//commons.wikimedia.org/wiki/User:AdMeskens" class="mw-redirect" title="User:AdMeskens">Ad Meskens</a>
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<span class="int-own-work" lang="en">Own work</span>