Originally Posted by
newyorkgeorge
...Fare is $2.25 payable by Metro Card you can get at the kiosk. Word of warning the machines aren't very good at taking credit and debit cards so have a little cash on you.
The purchase of a "smart" card is now mandatory -- there's no other legal way to ride the train. The fare is also higher on weekends -- $7 total for new customers.