Dunno if it is fake or not, watched it in premiere blown up in size and in slow mo and it doesn't seem fake, just the way the camera reacts with the guy pulling away makes it seem real.
I guess the camera guy just happened to be watching the tracks while two people crossed it.. hake:
"I'm a dog chasing cars. I wouldn't know what to do if I caught one. I just *do* things. I'm a wrench in the gears. I *hate* plans." - The Joker http://pressthenyckbutton.blogspot.com/