alert appropriate-behavior appropriate-behaviour arrow black blue care communicating communication concern danger dangerous denied directions disapproval disapproved information informing no-standing not-allowed not-permitted permission-denied prohibited prohibition prohibitions protect protection red restricted restrictions risks risky roadside rules safety sign signs sun-rays sunlight sunlit symbols warning warning-sign white access-denied advice avoid damage demolition destruction fence fencing keep-out mesh message no-access no-entry risk unwanted warning sign weathered wire-mesh announcement aware awareness careful caution colors colours considerate consideration Dirt dirty garbage green limitations limited listen lookout rubbish waste waste-disposal watch-out animals behave behavior behaviour communicate creatures fatal feed feeding food inform protecting public-park restriction signage text wildlife access-limited ban banned be-careful beware bicycles-prohibited bylaws cycling-prohibited law legal no-bikes no-cycling no-wheels pedestrian-care pedestrian-safety symbol watch 3-D area attention cigarettes direction directive distinctive environment eye-catching glassy health health-risk location no-smoking plastic pollution raised style surface surfaces surfacing tactile texture textured textures thick thin unhealthy wording words advising allocated allocation approved authorised authorized automobiles boom-gate emergency emergency-vehicles entry-denied entry-prohibited limited-access unauthorised unauthorized vehicles cars penalties refusal road road-safety road-side sky unacceptable verge apology construction construction-site inconvenience inconvenient yellow clearway keep-clear no-parking no-temporary-parking asbestos hazard hazardous health-risks requirements