access-denied access-limited advice alert appropriate-behavior appropriate-behaviour behave behavior behaviour black blue communicate communication denied directions don’t limited-access no no-access no-entry no-pedestrians not-allowed not-permitted pedestrian permission-denied prohibited prohibition red restricted restriction restrictions sign unauthorised unauthorized warning access denied no access no further not beyond this point private public stop here entry-denied entry-prohibited fine fines information informing keep-off no-go penalty prosecution safety secure security trespass trespassing white insiders limited access no public access staff staff only workers background fencing mesh signage brown damaged rough scratches scrathed caution cautious keep-out keep-to-path