Ключевые слова: accident, accidents, assistance, automobile, background, breakdown, bright, broken, car, caution, color, concept, construction, crash, danger, down, emergency, failure, hazard, help, highway, orange, problem, red, reflective, reflector, repair, risk, road, roadside, safety, security, sign, signal, site, stop, symbol, traffic, transportation, travel, triangle, triangular, trouble, truck, urgency, vehicle, vibrant, warning, white,