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  2. Double-track railway - Wikipedia

    en.wikipedia.org/wiki/Double-track_railway

    In any given country, rail traffic generally runs to one side of a double-track line, not always the same side as road traffic. Thus in Belgium, China, France (apart from the classic lines of the former German Alsace and Lorraine), Sweden (apart from Malmö and further south), Switzerland, Italy and Portugal for example, the railways use left-hand running, while the roads use right-hand running.

  3. Railway electrification in Malaysia - Wikipedia

    en.wikipedia.org/wiki/Railway_electrification_in...

    The 100 km (62 mi) Seremban- Sungai Gadut double tracking project was scheduled to be completed by 2010 and to Gemas by 2012. [13] [14] The track involves 64.85 km (40.30 mi) stretch in Negeri Sembilan, 27.84 km (17.30 mi) in Melaka and 1.45 km (0.90 mi) in Johor. A 1.8 km (1.1 mi) tunnel and 9 bridges will be built in the process [15]

  4. Double junction - Wikipedia

    en.wikipedia.org/wiki/Double_junction

    Double junction, or level junction (left hand running). A double junction is a railway junction where a double-track railway splits into two double track lines. Usually, one line is the main line and carries traffic through the junction at normal speed, while the other track is a branch line that carries traffic through the junction at reduced speed.

  5. Two track - Wikipedia

    en.wikipedia.org/wiki/Two_track

    Two track may refer to: Trail; Double track in rail transport; A method of multitrack recording using only two audio channels This page was last edited on 1 ...

  6. Communications-based train control - Wikipedia

    en.wikipedia.org/wiki/Communications-based_train...

    The CBTC systems integrate a digital networked radio system by means of antennas or leaky feeder cable for the bi-directional communication between the track equipment and the trains. The 2,4 GHz band is commonly used in these systems (same as WiFi ), though other alternative frequencies such as 900 MHz ( US ), 5.8 GHz or other licensed bands ...

  7. Grand union - Wikipedia

    en.wikipedia.org/wiki/Grand_union

    A grand union is a rail track junction where two double-track railway or tramway lines cross at grade, often in a street intersection or crossroads.A total of sixteen railroad switches (sets of points) allow streetcars (or in rarer installations, trains) coming from any direction to take any of the three other directions.