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  2. Escalator - Wikipedia

    en.wikipedia.org/wiki/Escalator

    The carrying capacity of an escalator system is typically matched to the expected peak traffic demand. For example, escalators at transit stations must be designed to cater for the peak traffic flow discharged from a train, without excessive bunching at the escalator entrance. In this regard, escalators help manage the flow of people.

  3. Optical turnstile - Wikipedia

    en.wikipedia.org/wiki/Optical_turnstile

    In parallel, Automatic Systems and others developed barrier type optical turnstiles (speedgates) for the mass transit industry that were eventually adapted and evolved for Class A commercial real estate and corporate HQ entrance control markets. Today there are many manufacturers, based in North America, Europe, China and around the world.

  4. Bar gate - Wikipedia

    en.wikipedia.org/wiki/Bar_gate

    This underbar typically hangs on links, so it lies flat with the main bar as the barrier is raised. Some barriers also feature a pivot roughly half way, where as the barrier is raised, the outermost half remains horizontal, with the barrier resembling an upside-down L (or gamma ) when raised.

  5. 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.

  6. Tactile paving - Wikipedia

    en.wikipedia.org/wiki/Tactile_paving

    A set of yellow truncated domes on the down-ramp in a parking lot. Tactile paving (also called tenji blocks, truncated domes, detectable warnings, tactile tiles, tactile ground surface indicators, tactile walking surface indicators, or detectable warning surfaces) is a system of textured ground surface indicators found at roadsides (such as at curb cuts), by and on stairs, and on railway ...

  7. Dean Sicking - Wikipedia

    en.wikipedia.org/wiki/Dean_Sicking

    Ultimately, the investigation contributed to the development of Sicking's invention, the SAFER barrier, [7] an energy management system that reduces the impact felt by the driver by flexing and absorbing energy. Prior to the barrier, NASCAR and IndyCar averaged approximately 1.5 driver fatalities

  8. Safety barrier - Wikipedia

    en.wikipedia.org/wiki/Safety_barrier

    A safety barrier is a component which prevents passage into a dangerous area. It is commonly used to mitigate risk in the Hazard-Barrier-Target model, as studied in safety science. Work Safe Victoria (an Australian organization) defines a Safety Barrier as a device that: [1] physically separate the work area and the traveled way,

  9. Kassel kerb - Wikipedia

    en.wikipedia.org/wiki/Kassel_kerb

    The introduction of barrier-free concepts into bus transport systems in the 1990s was successful up to the point, that the German transport companies stopped ordering high-floor designs by 1998 and eventually MAN and Daimler stopped producing high-floor city buses in Europe by 2001—public (city) transport companies no longer wanted such designs.

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