http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
pt. 1. Operating environment -- safety requirements -- system dependability -- automatic train control (ATC) -- audio and visual communications -- system and safety program requirements -- pt. 2. Vehicles -- propulsion and braking -- pt. 3. Electrical -- stations -- gateways -- pt. 4. Security -- emergency preparedness -- system verification and demonstration -- operations, maintenance, and training -- operational monitoring.
Includes bibliographical references and indexes