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  2. Railroad classes - Wikipedia

    en.wikipedia.org/wiki/Railroad_classes

    Class II: A carrier earning revenue between $40,387,772 and $504,803,294; Class III: A carrier earning revenue less than $40,387,772; In Canada, a Class I rail carrier is defined (as of 2004) as a company that has earned gross revenues exceeding $250 million (CAD) for each of the previous two years. [5]

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

    en.wikipedia.org/wiki/List_of_U.S._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

  4. North American railroad signaling - Wikipedia

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

    Some form of ATS or ATC is required on all U.S. rail lines that operate at 80 mph or more. In the 1990s, Communication-based train control (CBTC) systems started to be used in rail transit systems. These systems utilize radio communications between train and wayside equipment to perform the functions of the signaling system.

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

    en.wikipedia.org/wiki/List_of_U.S._Class_II...

    The Class I threshold is $250 million, adjusted for inflation since 1991. [2]). As of 2021, a Class II railroad in the United States has an operating revenue greater than $39.2 million but less than $489.9 million. [3]

  6. North American railroad signals - Wikipedia

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

    An example of a one-head searchlight signal on a Canadian National track in Winnipeg The 1911 patenting of the "Doublet-Lens" combination for long range (2,500 ft or 760 m in daylight) by Dr. William Churchill at Corning Glass's research facility in Corning, New York, indicated the reign of the semaphore signal in railroad use was rapidly ...

  7. List of locomotive classes - Wikipedia

    en.wikipedia.org/wiki/List_of_locomotive_classes

    A locomotive or engine is a rail transport vehicle that provides the motive power for a train. If a locomotive is capable of carrying a payload, it is usually referred to as a multiple unit , motor coach , railcar or power car ; the use of these self-propelled vehicles is increasingly common for passenger trains , but rare for freight ...

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  9. List of shortline railroads in the United States by state

    en.wikipedia.org/wiki/List_of_shortline...

    Rail Link (operates 26 short line railroads) RLIX Housatonic Railroad (HRRC) (CT, MA, NY) HRRC Idaho Northern & Pacific Railroad (ID and OR) INPR Kankakee, Beaverville and Southern Railroad (IL and IN) KBSR New York New Jersey Rail (NJ and NY) NYNJ Pend Oreille Valley Railroad (ID and WA) POVA St Lawrence & Atlantic Railroad (ME, NH, and VT) SLA