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  2. 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.

  3. 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 14 February 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 ...

  4. 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 ...

  5. Traffic engineering (transportation) - Wikipedia

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

    Traffic flow management can be short-term (preparing construction traffic control plans, including detour plans for pedestrian and vehicular traffic) or long-term (estimating the impacts of proposed commercial and residential developments on traffic patterns). Increasingly, traffic problems are being addressed by developing systems for ...

  6. Quadrant roadway intersection - Wikipedia

    en.wikipedia.org/wiki/Quadrant_roadway_intersection

    This roadway adds two three-way intersections in addition to the original four-way intersection, moving all left turns (in right-hand traffic countries) or right turns (in left-hand traffic countries) from the main intersection. The design is intended to improve traffic flow by reducing signal timing phases from four to two in the main ...

  7. 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.

  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. Overhead join - Wikipedia

    en.wikipedia.org/wiki/Overhead_join

    Prior to arrival, the pilot might talk with air traffic control (ATC) over the radio to establish the runway in use, the circuit height and direction (left or right hand), and the QFE (atmospheric pressure) of the field. If the airfield is not equipped with ATC or radio, the pilot will establish these things before arrival by contacting the ...