The utility model can display safety driving speed according to the fog conditions so as to remind drivers in foggy days and prevent traffic accidents.

本实用新型可根据雾的浓淡显示出安全行驶车速，以提醒司机在雾天注意安全行驶，避免交通事故发生。

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"There remains a need to get the message out to the driving community that speed is linked to accidents, and that attitudes that condone speeding are a road safety problem," Tranter writes.

“超速导致事故，宽恕超速的态度对交通安全是很大威胁，把这些信息告诉驾车一族仍很有必要”泉特写道。

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Dynamic braking is an indispensable part to control the driving safety and speed adjustment in motor-wheel trucks.

动力制动是对电动轮汽车的安全行驶和速度调节不可缺少的控制环节。

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Policing was at the top but road safety, powers over speed and drink driving limits, ports, licensing of alcohol and light night entertainment were there too.

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