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  2. Level crossing signals - Wikipedia

    en.wikipedia.org/wiki/Level_crossing_signals

    Level crossing signals are electronic warning devices for road vehicles at railroad level crossings. Level crossings can be operated in various ways. In some countries such as the UK, the warning devices are more often than not activated by remote control, I.e. an operator pressing buttons. However, the majority of countries have automated systems.

  3. Level crossings by country - Wikipedia

    en.wikipedia.org/wiki/Level_crossings_by_country

    On average, there is a level crossing each 2 kilometres (1.2 mi). [43] [44] An emergency button is installed on every level crossing in the country, allowing members of the public to report emergencies at a crossing to authorities, such as stalled vehicles or other obstacles. [45]

  4. Level crossing - Wikipedia

    en.wikipedia.org/wiki/Level_crossing

    A level crossing is an intersection where a railway line crosses a road, path, or (in rare situations) airport runway, at the same level, [1] as opposed to the railway line or the road etc. crossing over or under using an overpass or tunnel.

  5. Level junction - Wikipedia

    en.wikipedia.org/wiki/Level_junction

    A level junction (or in the United Kingdom a flat crossing) is a railway junction that has a track configuration in which merging or crossing railroad lines provide track connections with each other that require trains to cross over in front of opposing traffic at grade (i.e. on the level).

  6. North American railroad signaling - Wikipedia

    en.wikipedia.org/wiki/North_American_railroad...

    Signal aspect and indication illustrations instead appear in each railroad's system special instructions or operating timetable for the region or division where the aspects and indications apply. This practice is necessary due to the lack of uniformity in aspects between the multitude of railroads participating in GCOR, which includes a number ...

  7. Magnetic Signal Company - Wikipedia

    en.wikipedia.org/wiki/Magnetic_Signal_Company

    The Magnetic Signal Company was an American company based in Los Angeles, California, focused on railway signalling. The company was the manufacturer of the ubiquitous "Magnetic Flagman" wigwag railroad crossing (or level crossing ) signal, seen all over California and the western states.

  8. Wigwag (railroad) - Wikipedia

    en.wikipedia.org/wiki/Wigwag_(railroad)

    Wigwag is a nickname for a type of railroad grade crossing signal once common in North America, referring to its pendulum-like motion that signaled a train's approach. The device is generally credited to Albert Hunt , a mechanical engineer at Southern California 's Pacific Electric (PE) interurban streetcar railroad, who invented it in 1909 for ...

  9. Automatic block signaling - Wikipedia

    en.wikipedia.org/wiki/Automatic_block_signaling

    A caution signal at ME 130 at Beaconsfield station in England, where the horizontal black bar at the top of the ID plate indicates an automatic signal [6] In the UK, automatic signals are used where there are no ground frame , flat junctions , railroad switch facing and trailing , manually controlled level crossing , neutral sections, or other ...