There's no mistaking
that this subway car belongs to the Broad Street Line and Ridge Spur
service. Its cars are adorned in large quantities of orange, whereas
Market-Frankford Line cars are trimmed with the color blue.
The line began service in the late 1920s. Later extensions
pushed out its service area both to the north and south.
Almost all of the route is underground, except at and near the northern
terminal, Fern Rock
Transportation Center. The line from there through downtown is
four-tracked, and represents one of the very few locations in the U.S.
where express and local service run on dedicated tracks.
Trains show colored marker lights -- something once very common, but
quite rare now. White is for the local; green, for the
limited express service; yellow, Ridge Spur; and Blue, for
special runs limited stops for selected sports and
entertainment events at venues near the last stop south, Pattison.