NYCSub is a free guide to traveling through the New York City subway. Application usses google maps to show subway Tracks, Stations and even includes a GPS-based location finder.With the smartphone inbuilt GPS system you can find your position on the New York street map and easily locate the nearest station.A must have for anyone traveling in New York.? Current Schedule ?Interactive schedule for New York City subway.Find out when the next train is due with a single touch.