There's a $450 million RFP out for it: http://www.theverge.com/2016/4/12/11416362/mta-nyc-fare-payment-contactless-mobile-ticketing http://www.theverge.com/201

There's a $450 million RFP out for it: http://www.theverge.com/2016/4/12/11416362/mta-nyc-fare-payment-contactless-mobile-ticketing http://www.theverge.com/2016/4/12/11416362/mta-nyc-fare-paym... So, considering how gov software projects tend to go, it'll probably cost $1.5 billion and come out in the early 2020s.