Ключевые слова: alert, arrow, beware, black, board, care, careful, caution, concept, countryside, curve, dangerous, day, design, destination, direction, directional, drive, graphic, help, highway, icon, information, landscape, lane, left, nature, outdoor, precaution, protection, road, road trip, roadsign, round, route, safety, shape, sign, signage, speed, symbol, traffic, transport, transportation, travel, turn, visibility, warning, way, yellow,