Once again extending its Metro subway lines 2, 9 and 11, taking the subway to densely populated neighborhoods such as Las Rosas, Mirasierra and La Fortuna in Legan_s.For this account, once again, with the experience of installing Grupsa most of its stations Modular System Model MS-630. This model of door is installed in more than 80% of Underground stations, has been adapting to the increasingly demanding requirements of this mode of transport, adding new features such as greater user safety, reduced maintenance, retainers, bases Reinforced, easy change of the glass and automatic doors with push-button opening for the passage of the disabled and people with reduced mobility.