for some definition

ah, conductor-speak: "there's a train directly behind this one" - yes, if you trace the track far back enough i'm sure there's another train there somewhere. =)

 

and speaking of subways - i can't wait for those R160's to start running so we can ditch these crap-tank R40's. growing up on the F spoiled me.

 

image source: nycsubway.org/perl/show?40350

Done