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  2. Railroad Safety Appliance Act - Wikipedia

    en.wikipedia.org/wiki/Railroad_Safety_Appliance_Act

    The original law was amended by a subsequent act in 1903, whose first section provides that the requirements of the original act respecting train brakes, automatic couplers, and grab irons shall be held to apply to all trains and cars used on any railroad engaged in interstate commerce, unless a minor exception were satisfied.

  3. Structure gauge - Wikipedia

    en.wikipedia.org/wiki/Structure_gauge

    Eurocode 1: Actions on structures has a definition of "physical clearance" between roadway surface and the underside of bridge element. The code also defines the clearance that is shorter than the physical clearance to account for sag curves, bridge deflection and expected settlements with a recommendation of minimum clearance of 5 metres (16 ft 5 in). [2]

  4. Railway Clearing House - Wikipedia

    en.wikipedia.org/wiki/Railway_Clearing_House

    An Act to incorporate the Committee of Railway Companies associated under the Railway Clearing System and to enlarge the powers vested in that Committee, and for other purposes. Citation: 60 & 61 Vict. c. cxvi: Dates; Royal assent: 3 June 1897: Other legislation; Repealed by: Railway Clearing House Scheme Order 1954 (SI 1954/139)

  5. Clearance (civil engineering) - Wikipedia

    en.wikipedia.org/wiki/Clearance_(civil_engineering)

    In civil engineering, clearance refers to the difference between the loading gauge and the structure gauge in the case of railroad cars or trams, or the difference between the size of any vehicle and the width/height of doors, the width/height of an overpass or the diameter of a tunnel as well as the air draft under a bridge, the width of a lock or diameter of a tunnel in the case of watercraft.

  6. His Majesty's Railway Inspectorate - Wikipedia

    en.wikipedia.org/wiki/His_Majesty's_Railway...

    In May 2009 the legal entity known as "HM Railway Inspectorate" ceased to exist when a single rail regulatory body covering both safety and economic issues, the Safety Directorate, was created, but the 180 individual inspectors will continue to be known as His Majesty's Railway Inspectors. [25] A summary of government bodies overseeing HM ...

  7. Catch points - Wikipedia

    en.wikipedia.org/wiki/Catch_points

    Catch points and trap points are types of points which act as railway safety devices. Both work by guiding railway carriages and trucks from a dangerous route onto a separate, safer track. Catch points are used to derail vehicles which are out of control (known as runaways ) on steep slopes.

  8. North American railroad signaling - Wikipedia

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

    Standards for North American railroad signaling in the United States are issued by the Association of American Railroads (AAR), which is a trade association of the railroads of Canada, the US, and Mexico. Their system is loosely based on practices developed in the United Kingdom during the early years of railway development. However, North ...

  9. Rail Safety Improvement Act of 2008 - Wikipedia

    en.wikipedia.org/wiki/Rail_Safety_Improvement...

    Rail Safety Improvement Act of 2008; Long title: An Act to amend title 49, United States Code, to prevent railroad fatalities, injuries, and hazardous materials releases, to authorize the Federal Railroad Safety Administration, and for other purposes. Enacted by: the 110th United States Congress: Citations; Public law: Pub. L. 110–432 (text)