Ключевые слова: 30th, alert, asphalt, attention, background, black, black and white, bw, careful, caution, country, countryside, danger, dark, drive, ground, icon, information, kilometers, kmh, limit, limited, marking, miles, miles per hour, number, paint, regulation, restriction, road, roadsign, rule, rural, safety, sign, simple, slow, speed, speed limit, stationary, street, symbol, texture, traffic, transport, transportation, warning, way, white, zone,