Subway FAQ

A Brief History of the Subway	A Day in the Life of a Transit Worker	Abandoned and Disused Stations	Elevated Sections of the Subway	Evidence of Former Lines and Connections
Facts & Figures	How New Subway Cars Are Delivered	Interconnections Between IRT and IND-BMT Divisions	Letter, Number, and Color Designation Systems	Notes on Station Name Changes
OPTO and ATO (One Person/Automatic Train Operation)	Photo Permit Information	Photography in the Subway	Places Where There Aren't Track Connections	Radio Codes
Self-Guided Subway Tour Ideas	Subway Accidents	Subway Terminology Glossary	Subway Train Marker Lights	Three-Track Portions of the Subway
Unused Express Tracks	Unused Track Connections	Which Lines Were Former IRT, IND, BMT