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  2. North American railroad signals - Wikipedia

    en.wikipedia.org/.../North_American_railroad_signals

    The first signals employed on an American railroad were a system of flags used on the Newcastle and Frenchtown Turnpike and Rail Road in the 1830s. The railroad then developed a more effective system consisting of wooden balls, painted red, white or black, and hoisted up or down a pole on a rope-and-pulley system.

  3. 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 ...

  4. Railway signal - Wikipedia

    en.wikipedia.org/wiki/Railway_signal

    Highball Signal – Historic railroad signal in Delmar, Delaware, US; North American railroad signals; Railway signalling – The principle of signals used to control railway traffic; Train protection system – Railway fail-safe against human error; Train speed optimization – A system that reduces the need for trains to brake and accelerate

  5. Railway semaphore signal - Wikipedia

    en.wikipedia.org/wiki/Railway_semaphore_signal

    The first reached by a train is known as the home signal. The last stop signal, known as the starting or section signal, is usually located past the points etc. and controls entry to the block section ahead. The distance between the home and starting signals is usually quite short (typically a few hundred yards), and allows a train to wait for ...

  6. Template:Railway line legend - Wikipedia

    en.wikipedia.org/wiki/Template:Railway_line_legend

    For readers: When self-defined legend is provided in the map, it takes precedence over this one. For editors: Wikipedia:Route diagram template

  7. Railway signalling - Wikipedia

    en.wikipedia.org/wiki/Railway_signalling

    A Class 66 locomotive (right) is waiting at a red signal while a First Great Western (now Great Western Railway) passenger train (left) crosses its path at a junction. Railway signalling (BE), or railroad signaling (AE), is a system used to control the movement of railway traffic.

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  9. Crossbuck - Wikipedia

    en.wikipedia.org/wiki/Crossbuck

    A special symbol in the center indicates an electric railroad crossing, cautioning road users about excessive height cargo that may contact the electric wires. In Australia, the crossbuck is a St Andrews Cross as in Europe, but uses words and the same color as the American crossbuck.