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  2. North American railroad signals - Wikipedia

    en.wikipedia.org/.../North_American_railroad_signals

    Signal types. North American signals are commonly of three types. Absolute – Absolute signals are usually connected to an interlocking controlled by a block operator or train dispatcher. Their most restrictive aspect is "stop" and trains cannot pass them at stop unless they obtain special authority.

  3. North American railroad signaling - Wikipedia

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

    Railroad Signalling: North American Signaling and Safety; Railroad Signaling and Communications – photos and info; North American Signaling; Railway Signalling and Operations FAQ; Mobile CROR Signal App. Can be used as a tool to help learn Canadian Railroad signals.

  4. Wigwag (railroad) - Wikipedia

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

    A Magnetic flagman wigwag signal in use in southern Oregon, June 2007. 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 ...

  5. Railway semaphore signal - Wikipedia

    en.wikipedia.org/wiki/Railway_semaphore_signal

    Railway semaphore signal is one of the earliest forms of fixed railway signals. This semaphore system involves signals that display their different indications to train drivers by changing the angle of inclination of a pivoted 'arm'. Semaphore signals were patented in the early 1840s by Joseph James Stevens, and soon became the most widely used ...

  6. List of railway museums - Wikipedia

    en.wikipedia.org/wiki/List_of_railway_museums

    A railway museum is a museum that explores the history of all aspects of rail related transportation, including: locomotives (steam, diesel, and electric), railway cars, trams, and railway signalling equipment. They may also operate historic equipment on museum grounds.

  7. Heart of Dixie Railroad Museum - Wikipedia

    en.wikipedia.org/wiki/Heart_of_Dixie_Railroad_Museum

    The Heart of Dixie Railroad Museum (initialised HOD, reporting mark CSMX) is the official state railroad museum of Alabama. Dedicated to the preservation, restoration, and operation of historically significant railway equipment, the museum is located at 1919 Ninth Street, Calera, Alabama, on I-65 approximately 30 miles (48 km) south of Birmingham.

  8. Griswold Signal Company - Wikipedia

    en.wikipedia.org/wiki/Griswold_Signal_Company

    Area served. U.S., Canada, New Zealand. Products. Railway Signalling, Traffic Signalling. The Griswold Signal Company was an American company focused on railway signalling, based in Minneapolis, Minnesota. Founded by Minnesota native Franklin Wolcott Griswold, [1] the company manufactured traffic signals and railroad level crossing signals.

  9. Museum of the American Railroad - Wikipedia

    en.wikipedia.org/.../Museum_of_the_American_Railroad

    Website. www.historictrains.org. The Museum of the American Railroad, formerly known as the Age of Steam Railroad Museum, is a railroad museum in Frisco, Texas. [ 1 ] The museum has more than 70 pieces of steam, diesel, passenger, and freight railroad equipment sitting on 15 acres making it one of the largest historic rail collections in the US.