Red is used exclusively for regulatory road signs prohibiting doing something. So, a stop sign is red because you are ...

Despite the overall ease of controlling a car, the statistics still show many drivers get into accidents. Although it’s not always the fault of the person behind the wheel, people can often trip over ...

The purpose of all roadway signs is to provide safety and efficiency on the roadways by providing for the orderly and predictable movement of all road users. The purpose of roadway guide signs is to ...