Ключевые слова: 30 zone, alert, attention, background, blue, caution, city, closeup, constraint, council, drive, icon, indication, information, kilometers per hour, kilometre, km, limit, limitation, maximum, no people, nobody, outdoor, reduce, regulation, restriction, road, road sign, roadside, roadsign, roadway, safe, sign, signage, signal, signboard, signpost, sky, speed, street, street sign, symbol, traffic, transit, transport, urban, village, warning, way, zone,