barrier barrier tape blocking off border caution tape closed closed areal closing off cordon danger dangerous area delimitation do not pass no passing through prevention red and white sheltered area stop warning warning tape advice advising alert appropriate-behavior appropriate-behaviour be-prepared-to-stop black care cars caution concern dangerous directions hazard information informing limited-access motorcars no-overtaking no-passing readiness ready red risk risks risky road-sign roadwork safety sign slow traffic vehicles warning-sign white workers workmen airplane evening fly flying full moon night passing plane beach blue fishing ocean outdoors people pier pilings rough sky water waves wood