Drivers have to drive under the posted speed limit on some roads.

司机必须驾驶在有些路的张贴的限速之下。

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When driving on expressways, the driver must control his or her speed within the range of the posted maximum and minimum speed limit.

司机在高速公路上开车时必须将自己的行车速度控制在标牌规定的最高限速与最低限速之间。

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And some highlight the speed limit sign on the dashboard map when you exceed the posted speed.

一些突出显示仪表板地图上的限速标志，当你超过限速的限速。

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In 2010, a cyclist descending a steep hill far faster than the posted speed limit outside Berkeley, Calif.

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Yet at the insistence of state police, the posted speed limit remained at 55, presumably to facilitate ticket writing.

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Little did I know that the Navtec GPS and mapping system is so sophisticated that it knows what the posted speed limit is wherever you are driving.

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