Ключевые слова: arrow, asphalt, background, banner, barrier, black, caution, concept, condition, construction, danger, design, direction, eroded, grunge, highway, illustration, isolated, message, object, of linear, old, poster, red, road, route, rusty, safety, signle, street, symbol, text, texture, traffic, transport, transportation, travel, turn, under, urban, warning, white, word, work, yellow,