The eastbound platform of the <a href="https://en.wikipedia.org/wiki/Junius_Street_(IRT_New_Lots_Line)" class="extiw" title="w:Junius Street (IRT New Lots Line)">Junius Street Subway Station</a> of the <a href="https://en.wikipedia.org/wiki/IRT_New_Lots_Line" class="extiw" title="w:IRT New Lots Line">IRT New Lots Line</a> in Brooklyn. This picture was taken from the westbound platform, and there's also a subway signal here.
<a href="//commons.wikimedia.org/wiki/User:DanTD" title="User:DanTD">DanTD</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>