A <a href="https://en.wikipedia.org/wiki/Eastchester_%E2%80%93_Dyre_Avenue_(IRT_Dyre_Avenue_Line)" class="extiw" title="w:Eastchester – Dyre Avenue (IRT Dyre Avenue Line)">Dyre Avenue</a>-bound 5 train is about to depart <a href="https://en.wikipedia.org/wiki/Gun_Hill_Road_(IRT_Dyre_Avenue_Line)" class="extiw" title="w:Gun Hill Road (IRT Dyre Avenue Line)">Gun Hill Road Rapid Transit Station</a> on the <a href="https://en.wikipedia.org/wiki/IRT_Dyre_Avenue_Line" class="extiw" title="w:IRT Dyre Avenue Line">IRT Dyre Avenue Line</a> between the <a href="https://en.wikipedia.org/wiki/Allerton,_Bronx" class="extiw" title="w:Allerton, Bronx">Allerton</a> and <a href="https://en.wikipedia.org/wiki/Baychester,_Bronx" class="extiw" title="w:Baychester, Bronx">Baychester</a> sections of <a href="https://en.wikipedia.org/wiki/The_Bronx" class="extiw" title="w:The Bronx">The Bronx</a>, <a href="https://en.wikipedia.org/wiki/New_York_City" class="extiw" title="w:New York City">New York City</a>. After a little extra research, I realized this was an <a href="https://en.wikipedia.org/wiki/R142_(New_York_City_Subway_car)" class="extiw" title="w:R142 (New York City Subway car)">R142</a>.
<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>