Glossary of Rail Transport Terms - O

O

Definitions Points of Interest
  • Open wagon (UIC, UK), Gondola (US). A form of freight hauling car for bulk goods.
  • ORER Official Railway Equipment Register.
  • Outlaw (US): To cease operation of a train at the federal time limit of 12 hours. Other slang terms include "can", "die", or "tank".
  • Overbridge (UK): A bridge over the railway.
  • Overlap (UK): A distance (normally 180 metres or set according to the permitted speed of the line) beyond a stop signal which must be clear before the preceding stop signal can display a proceed aspect; allows a margin in case a train overshoots a signal before stopping.
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