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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. Bidirectional traffic - Wikipedia

    en.wikipedia.org/wiki/Bidirectional_traffic

    A tunnel with an inner diameter of 9.75 meters allowing a bidirectional traffic of 2 x 3 car lanes on two superimposed levels. Cervero, Robert (1998). The transit metropolis: a global inquiry. Island Press. p. 77. ISBN 978-1-55963-591-2. As shown in Stockholm and Curitiba, mixed land uses can translate into balanced, bidirectional traffic flows.

  4. Two-way street - Wikipedia

    en.wikipedia.org/wiki/Two-way_street

    A two-way street is a street that allows vehicles to travel in both directions. On most two-way streets, especially main streets, a line is painted down the middle of the road to remind drivers to stay on their side of the road. Sometimes one portion of a street is two-way and the other portion is one-way.

  5. Left- and right-hand traffic - Wikipedia

    en.wikipedia.org/wiki/Left-_and_right-hand_traffic

    This is an accepted version of this page This is the latest accepted revision, reviewed on 19 January 2025. Directionality of traffic flow by jurisdiction Countries by direction of road traffic, c. 2020 ⇅ Left-hand traffic ⇵ Right-hand traffic No data Left-hand traffic (LHT) and right-hand traffic (RHT) are the practices, in bidirectional traffic, of keeping to the left side and to the ...

  6. Application of railway signals - Wikipedia

    en.wikipedia.org/wiki/Application_of_railway_signals

    Many double or multiple track railways have a designated direction of travel assigned to each track. Signals will only be installed to permit traffic to flow in one direction on each line (i.e. uni-directional signalling). Bidirectional signalling in evidence at Poyntzpass with a passing Enterprise on NIR.

  7. Cardinal direction - Wikipedia

    en.wikipedia.org/wiki/Cardinal_direction

    Direction determination refers to the ways in which a cardinal direction or compass point can be determined in navigation and wayfinding.The most direct method is using a compass (magnetic compass or gyrocompass), but indirect methods exist, based on the Sun path (unaided or by using a watch or sundial), the stars, and satellite navigation.

  8. Heading (navigation) - Wikipedia

    en.wikipedia.org/wiki/Heading_(navigation)

    2 - Heading, the direction the vessel is "pointing towards" 3 - Magnetic north, which differs from true north by the magnetic variation. 4 - Compass north, including a two-part error; the magnetic variation (6) and the ship's own magnetic field (5) 5 - Magnetic deviation, caused by vessel's magnetic field.

  9. Inner–outer directions - Wikipedia

    en.wikipedia.org/wiki/Inner–outer_directions

    The Capital Beltway around Washington, D.C., is signed by all four compass directions at various points, but is consistently signed with inner–outer labeling.. In nations where automobiles drive on the right side of a road, traffic traveling in a clockwise direction around a loop will always be in the "inner" lane(s) (assuming that there is no lane crossing).