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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. Assured clear distance ahead - Wikipedia

    en.wikipedia.org/wiki/Assured_Clear_Distance_Ahead

    The empirical assured clear distance ahead calculated with computer vision, range finding, traction control, and GIS, such as by properly programming computer hardware used in autonomous cars, can be recorded to later produce or color baseline ACDA and safe speed maps for accident investigation, traffic engineering, and show disparities between ...

  5. 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 ...

  6. Collision avoidance system - Wikipedia

    en.wikipedia.org/wiki/Collision_avoidance_system

    The system doesn't provide a warning, rather, it can prevent a crash from occurring at speeds between 3.6 and 30 km/h (2.2 and 18.6 mph). This speed was later raised to 50 km/h (31 mph) and was available on all models, the Trend, Sport, Titanium, ST, and RS (Limited Edition only).

  7. Speed bump - Wikipedia

    en.wikipedia.org/wiki/Speed_bump

    Speed humps typically limit vehicle speeds to about 25–30 km/h (15–20 mph) at the hump and 40–50 km/h (25–30 mph) at the midpoint between humps, depending on spacing. Studies show an average 18% reduction in traffic volume and an average 13% reduction in collisions.

  8. Hostile vehicle mitigation - Wikipedia

    en.wikipedia.org/wiki/Hostile_vehicle_mitigation

    Washington, DC Concrete blocks placed to protect the Terminal 3 at Manchester Airport from hostile vehicle attack; these have now been replaced by more attractive bollards Security measures taken to protect the Houses of Parliament in London, UK. This hostile vehicle mitigation is a common form of target hardening and is designed to prevent a ...

  9. Jersey barrier - Wikipedia

    en.wikipedia.org/wiki/Jersey_barrier

    Jersey barriers on the road. A Jersey barrier, Jersey wall, or Jersey bump is a modular concrete or plastic barrier employed to separate lanes of traffic.It is designed to minimize vehicle damage in cases of incidental contact while still preventing vehicle crossovers resulting in a likely head-on collision.

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