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  2. 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 5 March 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 or to the right side of ...

  3. Airfield traffic pattern - Wikipedia

    en.wikipedia.org/wiki/Airfield_traffic_pattern

    Traffic patterns can be defined as left-hand or right-hand according to which way the turns in the pattern are performed. They are usually left-hand turns because most small airplanes are piloted from the left seat (or the senior pilot or pilot-in-command sits in the left seat), and so the pilot has better visibility out the left window.

  4. Traffic engineering (transportation) - Wikipedia

    en.wikipedia.org/wiki/Traffic_engineering...

    2. Gather data. This includes obtaining police reports of crashes, observing road user behavior, and collecting information on traffic signs, road surface markings, traffic lights and road geometry. 3. Analyze data. Look for collisions patterns or road conditions that may be contributing to the problem. 4.

  5. Geometric design of roads - Wikipedia

    en.wikipedia.org/wiki/Geometric_design_of_roads

    Intersection sight distance is the sight distance needed to safely proceed through an intersection. The distance needed depends on the type of traffic control at the intersection (uncontrolled, yield sign, stop sign or signal), and the maneuver (left turn, right turn, or proceeding straight).

  6. Continuous-flow intersection - Wikipedia

    en.wikipedia.org/wiki/Continuous-flow_intersection

    A continuous flow intersection (CFI), also called a crossover displaced left-turn (XDL or DLT), is an alternative design for an at-grade road junction. Vehicles attempting to turn across the opposing direction of traffic (left in right-hand drive jurisdictions; right in left-hand drive jurisdictions) cross before they enter the intersection. No ...

  7. Bidirectional traffic - Wikipedia

    en.wikipedia.org/wiki/Bidirectional_traffic

    In transportation infrastructure, a bidirectional traffic system divides travellers into two streams of traffic that flow in opposite directions. [ 1 ] In the design and construction of tunnels, bidirectional traffic can markedly affect ventilation considerations.

  8. Traffic pattern - Wikipedia

    en.wikipedia.org/wiki/Traffic_pattern

    Traffic pattern can refer to Information traffic patterns; Airfield traffic patterns; See also. Traffic analysis This page was last edited on 10 ...

  9. Partial cloverleaf interchange - Wikipedia

    en.wikipedia.org/wiki/Partial_cloverleaf_interchange

    A4 Interchange for right-hand traffic, or B4 interchange for left-hand traffic. The parclo A4 (also called "six-ramp partial cloverleaf") contains six ramps. [2] On each side on the freeway, there is an (often multi-lane) exit ramp, followed by a loop ramp and directional ramp entering the freeway.