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  2. Research Design and Standards Organisation - Wikipedia

    en.wikipedia.org/wiki/Research_Design_and...

    The Research Designs & Standards Organisation (RDSO) is the research and development and railway technical specification development organisation under the Ministry of Railways of the Government of India, which functions as a technical adviser and consultant to the Railway Board, the Zonal Railways, the Railway Production Units, RITES, RailTel and Ircon International in respect of design and ...

  3. Siemens SD-100 and SD-160 - Wikipedia

    en.wikipedia.org/wiki/Siemens_SD-100_and_SD-160

    In 1993, the San Diego Metropolitan Transit System ordered 52 SD-100 cars as the San Diego Trolley system was expanded with a new line, these entered service in 1995. In Early 2021, they were being phased out and in 2023 have been retired from service being replaced by the newer Siemens S700 models.

  4. Pantograph (transport) - Wikipedia

    en.wikipedia.org/wiki/Pantograph_(transport)

    The term stems from the resemblance of some styles to the mechanical pantographs used for copying handwriting and drawings. The pantograph is a common type of current collector; typically, a single or double wire is used, with the return current running through the rails. Other types of current collectors include the bow collector and the ...

  5. Wickham trolley - Wikipedia

    en.wikipedia.org/wiki/Wickham_trolley

    The Wickham trolley was a railway engineering personnel carrier built by D. Wickham & Co of Ware, Hertfordshire. This long established firm introduced their rail trolley in 1922 as a lightweight track inspection and maintenance vehicle. This was a success and production of rail trolleys and railcars for inspection and maintenance continued ...

  6. File:Trolley problem.svg - Wikipedia

    en.wikipedia.org/wiki/File:Trolley_problem.svg

    Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.

  7. List of trolleybus systems in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_trolleybus_systems...

    Cincinnati Street Railway Marmon-Herrington TC44 trolleybus #1300, photographed as new in 1947 Trolleybus in Cambridge, Massachusetts, on the Boston trolleybus system A dual-mode bus operating as a trolleybus in the Downtown Seattle Transit Tunnel, in 1990 San Francisco Muni ETI 15TrSF trolleybus #7108, on Van Ness Avenue at Geary Street, in 2004

  8. British Rail Universal Trolley Equipment - Wikipedia

    en.wikipedia.org/wiki/British_Rail_Universal...

    By the end of 1964, the name "British Railways Universal Trolley Equipment" and the acronym "BRUTE" were in use, by which time some 2500 were in use on the Western Region, with 2000 on order for other regions. [4] They were fabricated on a production line at Swindon Works. In August 1964 output was 100 per week, 150 per week two months later ...

  9. Refuge siding - Wikipedia

    en.wikipedia.org/wiki/Refuge_siding

    A refuge siding is a single-ended, or dead-end, siding off a running line, [1] which may be used to temporarily accommodate a train so that another one can pass it. For example, a refuge siding might be used by a slow goods train to allow a fast passenger train to pass. [ 2 ]