warning light

alarm alert amber ambulance attention automobile background barricade barricaded barricades barrier barriers black block blocked blocking bright bulb caution colour construction control danged danger design direction directional driving emergency equipment flash guiding hazard hazardous image industrial isolated lamp light lights marker new note notice orange patterned plastic reflection reflector repair rescue road roads round row rows safety security sign siren sit sitting street streets studio table traffic transport travel travelling urgency warning white work yellow zone