Ключевые слова: access, airport, aisle, alleyway, architecture, barricade, canal, change, changeover, conversion, crossing, disabled, doorway, entry, fairway, gangway, gateway, go, handicapped, junction, lane, migration, move, navigate, navigation, orifice, outdoors, outside, pass, passage, passageway, pathway, pedestrian, pole, restrict, road, row, street, subterranean, subway, switch over, transfer, transformation, transit, transition, transportation, underground, underpass, walker, walkway,