advice alert announcement appropriate-behavior appropriate-behaviour avoid be-careful beware black care caution communicating communication concern danger dangerous deep denied directions health information informing not-allowed not-permitted permission-denied polluted pollution prohibited prohibition protect protection red risk risks risky rules safety sign signs toxic toxicity unhealthy warning warning-sign water water-pollution water-toxicity weathered white access-denied background behave behavior behaviour blue communicate entry-denied entry-prohibited fencing keep-off limited-access mesh no-access no-entry no-go restricted restriction restrictions secure security signage trespass trespassing unauthorised unauthorized cars law legal no-standing no-temporary-parking parking refusal road road-safety road-side unacceptable vehicles acceptable access-limited advising allocated allocation approved authorised authorized automobiles directive horses horses-not-allowed horses-not-permitted limited motor-cars permitted asphalt bollards careful changes changing cones delineators footpath message road-junction road-sign road-surface roads roadside slow-down slower speed-reduction street street-sign T-junction temporary thoroughfare traffic traffic-cones traffic-flow uneven-surfaces witches-hats wording words fine fines penalty prosecution contaminated contamination authorised-entry-only authorized-entry-only boots clothing construction-site eye-protection feet footwear helmets injury peotective-equipment protective visibility workers workmen ban banned bylaws motorbikes-prohibited no-wheels pedestrian-care pedestrian-safety prohibitions symbol watch watch-out bicycles-prohibited