An underground trolley - who knew? Philadelphia's version of Seattle's underground bus, this LRV takes a dip below ground sharing a set of tunnels with the Market Frankford Elevated line in order... (more)
The Philadelphia Elevated line. The shortest route between Center City and 28 neighborhood stops. Note the "love letter" mural to the left; it's one of 50 murals to be painted as a publ... (more)