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  2. Rail yard - Wikipedia

    en.wikipedia.org/wiki/Rail_yard

    A rail yard, railway yard, railroad yard (US) or simply yard, is a series of tracks in a rail network for storing, sorting, or loading and unloading rail vehicles and locomotives. Yards have many tracks in parallel for keeping rolling stock or unused locomotives stored off the main line , so that they do not obstruct the flow of traffic.

  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. Switching and terminal railroad - Wikipedia

    en.wikipedia.org/.../Switching_and_terminal_railroad

    A switching and terminal railroad is a freight railroad company whose primary purpose is to perform local switching services or to own and operate a terminal facility. Switching is a type of operation done within the limits of a yard. It generally consists of making up and breaking up trains, storing and classifying cars, serving industries ...

  5. Rail speed limits in the United States - Wikipedia

    en.wikipedia.org/wiki/Rail_speed_limits_in_the...

    Railroads also implement their own limits and enforce speed limits. Speed restrictions are based on a number of factors including curvature, signaling, track condition, and the presence of grade crossings. Like road speed limits in the United States, speed limits for tracks and trains are measured in miles per hour (mph).

  6. Loading gauge - Wikipedia

    en.wikipedia.org/wiki/Loading_gauge

    In Spain, rail cars can be up to 3.44 m (11 ft 3.5 in) wide with a permitted height of 4.33 m (14 ft 2.5 in) and this loading gauge is called iberian loading gauge. It is the standard loading gauge for conventional (iberian gauge) railways in Spain.

  7. Southern California regulators impose pollution limits on the ...

    www.aol.com/news/southern-california-regulators...

    The South Coast Air Quality Management District votes to require rail yard owners and operators, including BNSF Railway and Union Pacific Railroad, to aggressively reduce lung-irritating nitrogen ...

  8. Columbus and Chattahoochee Railroad - Wikipedia

    en.wikipedia.org/wiki/Columbus_and_Chattahoochee...

    Columbus and Chattahoochee Railroad (reporting mark CHH) is a 26-mile-long (42 km) freight railroad running from Girard, Alabama, to Mahrt, Alabama, [1] and has shared trackage rights with the Norfolk Southern to use the track between NS Columbus yard in Columbus, Georgia, and Girard, Alabama. This track runs concurrent with 9th St. in downtown ...

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