Ключевые слова: arrow, asphalt, barcelona, catalonia, caution, city, concept, cross, curve, danger, design, direction, element, entrance, exit, graphic, guidance, guide, highway, icon, information, intersection, lane, line, next, no person, pavement, road, roundabout, safety, sign, signal, signs, spain, street, symbol, traffic, transport, transportation, transportation system, travel, turn, warning, way, white,