Pedestrian accidents are down by 5%.

行人受伤事故下降了5%。

《牛津词典》

Thee connection between cellphone use and pedestrian accidents is clear.

使用手机和行人遭遇车祸间的联系显而易见。

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In car to pedestrian accidents, pedestrian becomes to be vulnerable due to lacking of passenger protection space, and leads to high frequency.

在行人-车辆碰撞事故中，行人因为没有保护空间而成为易受伤害群体，事故发生率极高。

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According to the Federal Highway Administration, almost two-thirds of all highway fatalities are categorized as "road departures, " as opposed to intersection or pedestrian accidents, an indication of tired drivers veering out of their lanes or off the road altogether.

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But you might want to go further, and split the accidents by car, pedestrian, cyclist, motorcyclist and so on.

BBC: Crashes

The Royal Society for the Prevention of Accidents (RoSPA) estimates that a pedestrian has a 90% chance of surviving being hit by a car at 20mph, falling to a 50% chance at 30mph and to 10% at 40mph.

BBC: Speed limit of 20mph in Twerton and Southdown