access barrier barring bollards denying denying access in the way metal metal bollards barring access no thoroughfare prevention protection reflections reflective shiny silvery 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 insiders limited access no public access staff staff only workers entry-denied entry-prohibited keep-off prosecution safety trespass trespassing white brown damaged rough scratches scrathed access denied no access no further not beyond this point private public stop here accessibility advising availability blind braille communicating convenience convenient disability disabled genderless indication indicator information informative informing location loo personal public-convenience public-toilet rest-rooms sanitation signs toilet toilets unisex wc wheelchair-access direction gender ladies women’s-toilets gents men men’s-toilets