access-denied advice advising alert apology appropriate-behavior appropriate-behaviour avoid behavior behaviour beware black care caution communicate communication concern construction construction-site danger dangerous entry-denied entry-prohibited inconvenience inconvenient information informing no-access no-entry not-allowed not-permitted permission-denied prohibited prohibition restricted restriction restrictions risk risks risky safety sign warning warning-sign yellow asbestos communicating damage demolition denied destruction directions fence fencing hazard hazardous health-risks keep-out mesh message red requirements unwanted white no-parking parking please polite refusal request signs unacceptable verge 3-D blue conditional conditions eye-catching glassy indication informative insiders limited-access liquidy no-public-access notification notifying plastic raised security semi-transparent staff staff-only words workers clear transparent automobiles cars closed dead-end end lettering letters limited motor-vehicles no-thoroughfare no-through-road road roadway vehicles wording barbed wire barbwire clouds curl curve diagonal gate get off iron metal no access razor wire sharp sky stay away stay out access denied arch arched back-alley bricked in brickwork building city corrugated corrugated iron corrugations curved dark decay demolished deterioration disrepair doorstep doorways elements entrance exit exterior external grime ground-level nailed neglect old partially demolished building sealed urban decay eroded erosion hillside protect protection rules Soil subsidence weathered arrows denial directive no-vehicles parking-prohibited private private-property signage text