Ключевые слова: alert, authority, automotive, blue, blur, bright, car, caution, city, crime, department, emergency, enforcement, first, flashing, glow, highway, law, lights, motor, movement, municipal, night, nightscape, order, patrol, police, protection, public, red, responder, response, road, safety, security, service, signal, siren, speed, street, traffic, transport, urban, vehicle,