https://www.youtube.com/watch?v=nxWpFejRAks ,
https://en.wikipedia.org/wiki/A_(New_York_City_Subway_service) ,
https://en.wikipedia.org/wiki/New_York_City_Subway_rolling_stock#Current_fleet ,
https://en.wikipedia.org/wiki/New_Technology_Train#List_of_New_Technology_Trains
https://jf-databits.blogspot.com/search?q=trains