Regulatory Signs And Their Color. So, where do regulatory signs fall in terms of shape and color? They are usually rectangular white signs that direct you and tell you what you can and absolutely ...

Red is used exclusively for regulatory road signs prohibiting doing something. So, a stop sign is red because you are prohibited from driving past it without stopping. “Yield,” “do not enter ...

Green signs indicate exits, distance to cities, interstates interchanges, street or route names, and bicycle routes. Minnesota Department of Public Safety Read more 'Ask a Trooper' ...