Canada and another 40 countries have agreed on a draft United Nations regulation for Advanced Emergency Braking Systems (AEBS) for cars. The U.S., China and India did not agree to the proposed regulation.

The draft UN regulation will lay down the technical requirements for the approval of “vehicle-to-vehicle” and “vehicle-to-pedestrian” AEBS fitted on cars. Such systems employ sensors to monitor the proximity of the vehicle or pedestrian in front and detect situations where the relative speed and distance between the two vehicles or between the vehicle and pedestrian suggest that a collision is imminent. In such a situation, if the driver does not react to the system’s warning alerts, emergency braking will be automatically applied to avoid the collision or at least to mitigate its effects.

AEBS lead to a 38% reduction in real-world rear-end crashes at low speeds. According to estimates by the European Commission, AEBS could save more than 1,000 lives every year within the EU.

AEBS are already available for some cars in some countries, but there were no standard technical requirements guaranteeing the effective performance of such systems so far.

The new UN regulation will impose strict and internationally harmonized requirements for the use of AEBS at low speeds, even in complex and unpredictable situations such as traffic in urban areas. The regulation sets out test requirements for the deployment of AEBS at a range of different speeds, from 0-60 km/h. In addition to cars, the regulation will be applicable to all light commercial vehicles (vans and minibuses with less than nine passengers). With this regulation in force, most of existing systems will have to be updated to meet stricter requirements.

Following its adoption, the new regulation would enter into force in early 2020.

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