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Subway Technical FAQ

Please note, this FAQ and the documents within are scheduled for reorganization. Also, it does not address questions about how to travel on the subway, fare/Metrocard information, subway schedules, etc. A good place to look for this information is the MTA Website at http://www.mta.info.

Overview

  1. Facts & Figures
  2. Photography in the Subway
  3. Photography on Other Transit Systems
  4. Glossary of Subway Terminology and Abbreviations
  5. IRT - BMT - IND: A Brief History of the Subway
  6. IRT, BMT, IND: Which Are Which?
  7. Touring the Subway

Day to Day Operations

  1. Train Number, Letter, and Color Code Systems
  2. A Day in the Life of a Transit Employee
  3. NYC Subway Accidents

Tracks & Connections

  1. Unused Subway Tunnels/Connections
  2. Unused Express Tracks
  3. Evidence of Demolished, Abandoned, and Unbuilt Lines
  4. Well Known "Non"-Connections
  5. Interconnections Between IRT and IND/BMT Divisions
  6. Elevated Portions of the Subway
  7. Three-Track portions of the subway

Rolling Stock

  1. Line Assignments & Number of Trains for Rush Hour Service
  2. What is OPTO (One Person Train Operation)? What is ATO (Automatic Train Operation)?
  3. Train Marker Lights

Misc.

  1. Radio Codes
  2. Index of NYC Subway Map Versions, 1963-present
http://www.nycsubway.org/faq/index.html
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