Ключевые слова: abstract, area, asphalt, background, black, city, clean, contrast, cross, crosswalk, driveway, grunge, highway, lane, law, line, mark, outdoor, pattern, pavement, pedestrian, perspective, risk, road, roadway, safe, safety, secure, sidewalk, sign, signal, simple, stop, street, strip, stripe, striped, surface, symbol, texture, town, traffic, transport, urban, walk, walkway, way, white, zebra,