Diagrammaitc map of the London Overground Network as of 2019
<a href="//commons.wikimedia.org/wiki/User:RaviC" title="User:RaviC">RaviC</a>
CC BY 3.0
<a href="//commons.wikimedia.org/wiki/File:London_Overground_2013.png" title="File:London Overground 2013.png">File:London Overground 2013.png</a>, additions of Lea Valley and Romford-Upminster lines (some stations to be added)