54B.— A person who, without lawful authority or the consent of the Authority or the road authority concerned, as the case may be—

(a) defaces (by writing or other means), damages or excavates a service area provided under a motorway scheme or service area scheme,

(b) places or deposits any material or thing on a service area which is a hazard or potential hazard to persons using the service area, or

(c) obstructs or interferes with access from the public road to the service area,

is guilty of an offence.]