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  2. North American railroad signals - Wikipedia

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

    There are two main types of signaling aspect systems found in North America, speed signaling and weak route signaling. [citation needed] Speed signaling transmits information regarding how fast the train is permitted to be going in the upcoming segment of track; weak route signaling transmits information related to the route a train will be taking through a junction, and it is incumbent upon ...

  3. North American railroad signaling - Wikipedia

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

    In 1992, the American Association of Railroad Superintendents (AARS) convened a special committee, which suggested to its board of directors, executive council, and membership that “the AARS sponsor a full conference on the standardization of railroad operating rules, practices, and procedures, and that this conference be conducted on the ...

  4. Railway semaphore signal - Wikipedia

    en.wikipedia.org/wiki/Railway_semaphore_signal

    North American semaphore equivalents faced right, and as generally on the European continent, on double track branches, up and down lines are opposite to those in the UK. Depending on the arm's position, the appropriately coloured lens is illuminated from behind by either an oil lamp, a gas lamp, or an incandescent lamp run at a low voltage ...

  5. List of U.S. Class I railroads - Wikipedia

    en.wikipedia.org/wiki/List_of_Class_I_railroads

    As of 2023 there are just four American owned Class I freight railroad companies and one passenger railroad company (Amtrak). The list also includes two Canadian-owned Class I freight railroads, both of which have trackage in the US, and one, CPKC, has trackage in Mexico. [1] [2] Amtrak; BNSF Railway; Canadian National Railway

  6. Automatic equipment identification - Wikipedia

    en.wikipedia.org/wiki/Automatic_equipment...

    Burlington Northern was the first railroad in North America to renew the search for an effective identification system. BN had been closely following the efforts of various maritime shipping companies, such as American President Lines, in their efforts to find a system to automatically identify containers. Based on the maritime companies ...

  7. Narrow-gauge railways in North America - Wikipedia

    en.wikipedia.org/wiki/Narrow-gauge_railways_in...

    Totalling over 100 km of track, the plantation railways in the north and north-east most likely used 2 ft 6 in (762 mm). There were at least four separate isolated lines. It is said that one Haitian railroad was sold; the track was physically picked up and shipped to Asia during the Papa Doc period (approx. 1957–1971).

  8. Reporting mark - Wikipedia

    en.wikipedia.org/wiki/Reporting_mark

    Railinc, a subsidiary of the AAR, maintains the active reporting marks for the North American rail industry. Under current practice, the first letter must match the initial letter of the railroad name. As it also acts as a Standard Carrier Alpha Code, the reporting mark cannot conflict with codes in use by other nonrail carriers. [1] [2]

  9. Rail transportation in the United States - Wikipedia

    en.wikipedia.org/wiki/Rail_transportation_in_the...

    The first American locomotive at Castle Point in Hoboken, New Jersey, c. 1826 The Canton Viaduct, built in 1834, is still in use today on the Northeast Corridor.. Between 1762 and 1764 a gravity railroad (mechanized tramway) (Montresor's Tramway) was built by British Army engineers up the steep riverside terrain near the Niagara River waterfall's escarpment at the Niagara Portage in Lewiston ...