I live in NYC so I know exactly what you're going through! I used to take the train every morning to Grand Central Station in Manhattan and that was a complete madhouse. I don't know if this would help, but I used to position myself in the train where I would be least affected by crowds. Like stand up near the door near the front of the train so the stairs to the street would be right near me on the platform when I exited the train. That way I did not get lost in the crowds. That seemed to work for me.