rail10 wrote:How is the nyc metro card differs from most other transit fare cards in design and operation?There are probably many differences as well as many similarities. I don't know if anyone here would know all of them (I certainly don't).
One thing I do know is that the basic MetroCard form (gold/blue front) is the same whether the card is a Pay-per-ride, or unlimited. The only times the color differs is for student (light green), and reduced fare (purple). Chicago has different colors for their various types of cards.