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  2. Event data recorder - Wikipedia

    en.wikipedia.org/wiki/Event_data_recorder

    In the US 49/563.5 regulatory framework, Event data recorder is defined as a . a device or function in a vehicle that records the vehicle's dynamic time-series data during the time period just prior to a crash event (e.g., vehicle speed vs. time) or during a crash event (e.g., delta-V vs. time), intended for retrieval after the crash event.

  3. Safety barrier - Wikipedia

    en.wikipedia.org/wiki/Safety_barrier

    Hard barriers are fixed or removable guards which prevent entry. These include fences, traffic barriers, and crush barriers. Soft barriers are devices such as light curtains. They detect the presence of a foreign body and are tied into the control circuit to stop the machine. [2]

  4. Speed bump - Wikipedia

    en.wikipedia.org/wiki/Speed_bump

    A speed hump (also called a road hump, or undulation, [17] and speed ramp) is a rounded traffic calming device used to reduce vehicle speed and thus sound volume on residential streets. Humps are placed across the road to slow traffic and are often installed in a series of several humps to prevent cars from speeding before and after the hump.

  5. Traffic calming - Wikipedia

    en.wikipedia.org/wiki/Traffic_calming

    Physical devices include speed humps, speed cushions and speed tables, sized for the desired speed. Such measures normally slow cars to between 16 and 40 kilometres per hour (10 and 25 mph). Most devices are made of asphalt or concrete but rubber traffic calming products are emerging as an effective alternative with several advantages.

  6. Traffic barrier - Wikipedia

    en.wikipedia.org/wiki/Traffic_barrier

    Traffic barrier with a pedestrian guardrail behind it. Traffic barriers (known in North America as guardrails or guard rails, [1] in Britain as crash barriers, [2] and in auto racing as Armco barriers [3]) keep vehicles within their roadway and prevent them from colliding with dangerous obstacles such as boulders, sign supports, trees, bridge abutments, buildings, walls, and large storm drains ...

  7. Collision avoidance system - Wikipedia

    en.wikipedia.org/wiki/Collision_avoidance_system

    The pre-collision braking control was upgraded in 2010 to allow the vehicle to stop automatically if the speed difference between the EyeSight-equipped vehicle and the object in front is less than 30 km/h (19 mph) and the driver takes no action to slow down or stop. Above 30 km/h (19 mph), the vehicle will reduce its speed automatically. [47]

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