книги Наука, техника, медицина Техника Строительство Градостроительство и архитектура

Grand union

Код 3374101

  • ISBN: 978-5-5083-6742-8

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Аннотация к книге "Grand union"

High Quality Content by WIKIPEDIA articles! A grand union is a rail track junction where two double-track railway lines cross at grade, often in a street intersection or crossroads. A total of sixteen railroad switches (sets of points) allow streetcars (or in more rare installations, trains) coming from any direction to take any of the three other directions. The same effect maybe achieved with two consequent wyes if the location allows for space.

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ISBN: 978-5-5083-6742-8

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