Sign for "Track M," the name of the bi-directional express track between the northbound tracks to either the last two stations in Wakefield, or the last station in Eastchester, and the southbound tracks to either the Lexington Avenue Line or Lenox Avenue Line at 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 IRT White Plains Road Line in the West Farms section of the Bronx, New York City.
<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>