Platform 0, Metro history exhibition centre in Madrid, Spain

Platform 0 (Andén 0) is the Madrid Metro's exhibition network, with two main museum sites: the 1919 Estación de Chamberí, closed in 1966 and kept with its original ceramic billboards and furniture, and the 1922 Pacífico generator building by architect Antonio Palacios, which retains the machinery that powered the trains.

After more than thirty years closed, the Madrid City Council and Metro de Madrid agreed in December 2005 to turn the Pacífico engine house and the Chamberí station into an interpretation centre for the metro. The facilities opened in March 2008 after a 6.2 million euro investment, inaugurated by mayor Alberto Ruiz-Gallardón. Between then and 2013, Platform 0 received about 250,000 visitors.

Platform 0 takes its name from the metro platform, and its two main sites are the 1919 Chamberí station, closed in 1966 and kept with its original ceramic billboards and furniture, and the 1922 Pacífico generator building by architect Antonio Palacios. Further displays fill the Chamartín, Pacífico, Ópera and Carpetana stations.

Platform 0 has two main sites: the old Chamberí station, closed since 1966, and the Pacífico engine house, built in 1922. The Pacífico station lobby opens to the public one day a week. Additional displays are in the Chamartín, Ópera and Carpetana stations, where the metro's palaeontological finds are shown in display cases.

The Andén 0 network also includes the Chamartín station, where some of the first Madrid Metro carriages are displayed permanently alongside examples from later periods. At Carpetana station, palaeontological remains found during works are shown in display cases and explanatory panels along the corridors.