 I'm Nicole Murray with your Money Now. Amtrak has announced it is raising prices on all its multi-ride tickets in the Northeast Corridor by nearly 70%. Prices were not uniformly raised. A monthly pass between Philadelphia and Trenton used to cost roughly $550. It will now cost $825, a 49% increase. Commuters riding Amtrak between New York and Philadelphia used to pay roughly $1,000. Now they will pay $1,250.