What does passing loop mean?

Definitions for passing loop
pass·ing loop

This dictionary definitions page includes all the possible meanings, example usage and translations of the word passing loop.

Wikipedia

  1. Passing loop

    A passing loop (UK usage) or passing siding (North America) (also called a crossing loop, crossing place, refuge loop or, colloquially, a hole) is a place on a single line railway or tramway, often located at or near a station, where trains or trams travelling in opposite directions can pass each other. Trains/trams going in the same direction can also overtake, provided that the signalling arrangement allows it. A passing loop is double-ended and connected to the main track at both ends, though a dead end siding known as a refuge siding, which is much less convenient, can be used. A similar arrangement is used on the gauntlet track of cable railways and funiculars, and in passing places on single-track roads. Ideally, the loop should be longer than all trains needing to cross at that point. Unless the loop is of sufficient length to be dynamic, the first train to arrive must stop or move very slowly, while the second to arrive may pass at speed. If one train is too long for the loop it must wait for the opposing train to enter the loop before proceeding, taking a few minutes. Ideally, the shorter train should arrive first and leave second. If both trains are too long for the loop, time-consuming "see-sawing" (or "double saw-by") operations are required for the trains to cross (see Tawa railway station).On railway systems that use platforms, especially high-level platforms, for passengers to board and disembark from trains, the platforms may be provided on both the main and loop tracks or possibly on only one of them.

Wikidata

  1. Passing loop

    A passing loop is a place on a single line railway or tramway, often located at a station, where trains or trams travelling in opposite directions can pass each other. Trains/trams going in the same direction can also overtake, providing that the signalling arrangement allows it. A passing loop is double ended and connected to the main track at both ends, though a dead end siding known as a refuge siding, which is much less convenient, can be used. A similar arrangement is used on the gauntlet track of cable railways and funiculars, and in passing places on single-track roads. Ideally, the loop should be longer than all trains needing to cross at that point. If one train is too long for the loop it must wait for the opposing train to enter the loop before proceeding, taking a few minutes. Ideally, the shorter train should arrive first and leave second. If both trains are too long for the loop, time-consuming "see-sawing" operations are required for the trains to cross. On railway systems that use platforms for passengers to board and disembark trains, especially high level platforms, platforms may be provided on both main and loop tracks or possibly only one of them.

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Numerology

  1. Chaldean Numerology

    The numerical value of passing loop in Chaldean Numerology is: 4

  2. Pythagorean Numerology

    The numerical value of passing loop in Pythagorean Numerology is: 8

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"passing loop." Definitions.net. STANDS4 LLC, 2025. Web. 4 Feb. 2025. <https://www.definitions.net/definition/passing+loop>.

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