Ключевые слова: allow, bad, banned, black, blue, coins, color, communication, concept, control, crisis, crossroad, danger, drive, equipment, failure, isolated, just, lamp, light, luck, no, obstacle, ordering, panel, problem, ready, red, regulate, regulation, road, safe, safety, set, shield, sign, signal, signature, sky, standstill, stop, stoplight, street, symbol, traffic, transport, transportation, warning,