As the heaviest passenger flows consist of passengers getting off buses and going to the Metro station,
particular attention was paid to vertical communication in order to channel these flows as directly as
possible, without prejudicing other passenger movements. Based on this and the triangular form of the
platform, there is a main vertical communication nucleus in the centre of the triangle, with stairs for
reaching the Metro on level 3 from levels 1 and 2, to channel the flow of passengers descending to
the Metro