A 1970s SEPTA subway map in a repurposed B-1 car, photographed in December 2017. The map dates from between 1973 (Pattison station opened) and 1977 (Fairmount station replaced with Spring Garden).
<a href="//commons.wikimedia.org/wiki/User:Pi.1415926535" title="User:Pi.1415926535">Pi.1415926535</a>
Map in Trackside Brick Oven Pizzeria