Ключевые слова: 30, 50, background, black, board, by, car, caution, circle, city, concept, danger, emergency, germany, hour, icons, information, kilometers, km, label, law, limit, number, outdoors, red, restriction, road, road sign, round, rule, safety, shield, sign, signboard, sky, speed, speed limit, street, street sign, symbol, thirty, traffic, traffic sign, transport, transportation, travel, warning, white, zone,