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  2. Bar gate - Wikipedia

    en.wikipedia.org/wiki/Bar_gate

    Bar gates, especially manually operated ones, are often counterweighted to allow easier manual control. [7] Bar gates are frequently paired end to end or closely offset to block traffic in both directions. Some bar gates also have a second arm which hangs 30 to 40 cm below the upper arm when lowered to increase approach visibility.

  3. SKIDATA - Wikipedia

    en.wikipedia.org/wiki/SKIDATA

    SKIDATA expanded its business from ski destinations to parking management. In 1989, SKIDATA introduced machines that allowed drivers to enter facilities and pay by credit card at the parking lot entry. Their Barrier gates are known for their signature sound, which is a 6-note jingle, [3] which plays when the barrier opens.

  4. Four-quadrant gate - Wikipedia

    en.wikipedia.org/wiki/Four-quadrant_gate

    A level crossing with manually-controlled full barriers at Chertsey, England. The barriers are rising. A four-quadrant gate or full-barrier equipment is a type of boom barrier gate protecting a grade crossing. It has a gate mechanism on both sides of the tracks for both directions of automotive traffic.

  5. Electric gate - Wikipedia

    en.wikipedia.org/wiki/Electric_gate

    Aside from the additional security features that should go with parking barrier gates, electric security gates often offer safety features like sensors that determine when there is an obstruction to prevent the electronic gate from swinging into a vehicle or closing on somebody's hands.

  6. Turnstile - Wikipedia

    en.wikipedia.org/wiki/Turnstile

    The ticket barriers on the London Underground and some busy UK railway stations have to be open if either the gates are unmanned or in an emergency. Persons with disabilities may have difficulties using turnstiles. In these cases, generally a wide aisle gate or a manual gate may be provided.

  7. Automated fare collection - Wikipedia

    en.wikipedia.org/wiki/Automated_fare_collection

    The former AFC barrier gates at Southern Cross station in the Melbourne Metcard AFC System. An automated fare collection (AFC) system is the collection of components that automate the ticketing system of a public transportation network – an automated version of manual fare collection. An AFC system is usually the basis for integrated ticketing.

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