access-limited advice advising alert allocated allocation arrow authorised authorized automobiles behave black blue communicate communication denied directive emergency emergency-vehicles entry-denied entry-prohibited information informing limited limited-access no-access no-entry not-allowed not-permitted permission-denied prohibited prohibition red restricted restriction restrictions safety sign vehicles warning white appearance assistance display displayed emergencies equipment fire-brigade fire-engines fire-trucks heritage historic history ladders motor-vehicles on-show protection protective rescue transport travel vintage approved boom-gate unauthorised unauthorized active danger emergency services fire fire and rescue fire brigade fire fighters fire fighting firemen help hoses hosing house fire protective clothing pumping pumps smoke spraying suburban trucks uniforms water air-cylinder apparartus breathing-apparartus breathing-equipment building checking emergency-services fire-and-rescue fire-fighting firefighters helmets hot house-fire loss oxygen prepared preparing protecting protective-clothing readiness ready road spectators street-scene tragedy