Motorists have been stunned to learn that a certain motorway speed limit sign can be disregarded without any legal consequences. The art of driving on the nation's motorways has evolved into an ...

An example of what variable speed limit signs look like above a highway in Washington. Courtesy of the Washington State Department of Transportation When icy conditions led to a 133-car pileup on ...

Drivers across parts of Texas are beginning to see electronic speed limit signs capable of changing in real time, marking a new phase in the state’s effort to reduce serious crashes during dangerous ...