Regulatory sign
The term regulatory sign describes a range of signs that are used to indicate or reinforce traffic laws, regulations or requirements which apply either at all times or at specified times or places upon a street or highway, the disregard of which may constitute a violation, or signs in general that regulate public behavior in places open to the public.Traffic signs
Regulatory traffic signs follow international conventions, usually being:
Examples of non-traffic types of regulatory signs might be tow-away signs for vehicles without disabled parking stickers or no-smoking signs where there are laws prohibiting smoking.
