The Rosa Line (G), with an extension of 3 km, of which 2,45 operational, and 4 underground stations (two adjacent to the already existing S. Bento and Casa da Música), will ensure the connection between S. Bento and Rotunda da Boavista. It develops fully in tunnel and double track. It will improve access to the central areas of Porto, areas with important business, residential and health components, capturing many passengers for individual transport.