Sleeper (Tie)
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A rectangular support laid perpendicular to the rails to hold them at the correct gauge and transfer loads to the ballast. Modern sleepers are typically made of pre-stressed concrete, though timber and steel variants are still in use. Known as a 'tie' or 'cross-tie' in North American terminology.
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常见问题
Sleeper is a term used in the railway industry. Understanding this concept helps travelers navigate train services, schedules, and ticketing more effectively. See the full definition above for details.
Knowing what Sleeper means can help passengers plan their journeys, understand announcements, and make informed decisions about routes, fares, and service types when traveling by train.
Several railway terms are closely related to Sleeper. You can explore related concepts in the sidebar or browse the full TrainFYI glossary to deepen your understanding of rail terminology.