Ключевые слова: abstract, accident, alert, asphalt, attention, automobile, background, barrier, black, boundary, car, caution, concept, cone, construction, danger, drive, equipment, forbidden, hazard, highway, isolated, line, marking, object, orange, plastic, protection, red, repair, road, rubber, rubber cone, safety, security, sign, speed, stop, street, striped, symbol, traffic, traffic cone, transport, transportation, warning, way, white, work,