You should always keep to the speed limit.

什么时候你都不得超过最高速度限制。

《牛津词典》

He was driving at well over the speed limit.

他当时开车的速度远远超过了限制。

《牛津词典》

The road has a 30 mph speed limit.

这条公路限定时速30英里。

《牛津词典》

But in the western United States, there are highways where the speed limit is one hundred twenty-five kilometers an hour.

VOA: special.2010.04.26

It wasn't the fact that they were running that time and they say "Oops! We are over the speed limit!

不是因为跑到那个时间,就说“不好，超过速度极限了！

哈佛公开课 - 幸福课课程节选

Trucking companies can limit speed limits by placing governors on their fleet vehicles.

FORBES: America's Truckers Roll Out A Convoy Of Green

Warwickshire Police admit there was an issue relating to the shape of the numerals in the signs but said the variable speed limit signs were fully illuminated and clearly showed what the correct speed limit should be.

BBC: Sign error on M42 motorway may mean speeding let-off

Most notably, it found that drivers in just about every state stay within the speed limit on average, with only Mississippi edging 0.1 miles per hour over the top speed limit of 70 MPH.

ENGADGET: TomTom data finds drivers aren't speeding much, are being watched