A horizonal subway signal mounted from southbound island platform facing local tracks of the <a href="https://en.wikipedia.org/wiki/East_180th_Street_(IRT_White_Plains_Road_Line)" class="extiw" title="w:East 180th Street (IRT White Plains Road Line)">East 180th Street elevated railway station</a> on the <a href="https://en.wikipedia.org/wiki/IRT_White_Plains_Road_Line" class="extiw" title="w:IRT White Plains Road Line">IRT White Plains Road Line</a> in the West Farms section of the Bronx, New York City. <a href="https://en.wikipedia.org/wiki/2_(New_York_City_Subway_service)" title="en:2 (New York City Subway service)"><img alt="NYCS-bull-trans-2.svg" src="https://upload.wikimedia.org/wikipedia/commons/thumb/6/61/NYCS-bull-trans-2.svg/20px-NYCS-bull-trans-2.svg.png" decoding="async" width="20" height="20" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/6/61/NYCS-bull-trans-2.svg/30px-NYCS-bull-trans-2.svg.png 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/6/61/NYCS-bull-trans-2.svg/40px-NYCS-bull-trans-2.svg.png 2x" data-file-width="75" data-file-height="75"></a> trains along these tracks lead to the <a href="https://en.wikipedia.org/wiki/IRT_Lenox_Avenue_Line" class="extiw" title="w:IRT Lenox Avenue Line">Lenox Avenue Line</a> and <a href="https://en.wikipedia.org/wiki/5_(New_York_City_Subway_service)" title="en:5 (New York City Subway service)"><img alt="NYCS-bull-trans-5.svg" src="https://upload.wikimedia.org/wikipedia/commons/thumb/7/78/NYCS-bull-trans-5.svg/20px-NYCS-bull-trans-5.svg.png" decoding="async" width="20" height="20" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/7/78/NYCS-bull-trans-5.svg/30px-NYCS-bull-trans-5.svg.png 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/7/78/NYCS-bull-trans-5.svg/40px-NYCS-bull-trans-5.svg.png 2x" data-file-width="75" data-file-height="75"></a> trains at this station lead to the <a href="https://en.wikipedia.org/wiki/IRT_Lexington_Avenue_Line" class="extiw" title="w:IRT Lexington Avenue Line">Lexington Avenue Line</a>. But what truly makes this more unusual is the sign mounted on this signal. I'm going to have to check a guide to find out what "No Key By" means.
<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>