Ключевые слова: abstract, alert, arrow, asphalt, attention, background, black, caution, closeup, crossing, danger, design, direction, element, gambling, graphic, grunge, highway, lane, line, object, old, outdoors, paint, pedestrian, red, road, road sign, safety, school, sign, speed, stop, street, surface, symbol, texture, the city, traffic, transport, transportation, triangle, tsar, urban, warning, way, white,