Updated for 2021, this is the complete track diagram of New York City’s subway system like you’ve never seen it before! The maps have all been re-drawn from the ground up, and all are in color for the first time ever. Features all MTA subway lines & stations; the underground portion of Port Authority Trans-Hudson (PATH); Staten Island Railway; Grand Central; Penn Station; and AirTrain. With 57 line maps, detailed interlocking maps, 20 yard maps, and an extensive intoduction to and explanation of the signaling system, this is a must-have reference for any transit enthusiast. This edition includes the latest service changes, capital improvements, changes to signals, and much more!