Ключевые слова: abstract, accident, asphalt, attention, background, black, city, cone, construction, crosswalk, danger, direction, drive, ground, highway, industrial, isolated, lane, line, maintenance, man, marking, orange, outdoor, paint, pavement, people, repair, road, rubber, safety, sidewalk, sign, single, street, surface, symbol, traffic, transport, transportation, travel, urban, vehicle, warning, way, white, work, worker, yellow,