Metro de Madrid, opened in 1919, is the public metro operator of the Spanish capital and one of the largest underground systems in Europe by network length. The ACS Group · Acciona · News
Metro de Madrid, opened in 1919, is the public metro operator of the Spanish capital and one of the largest underground systems in Europe by network length. The company runs twelve metro lines plus the light rail Metro Ligero, serving over 2 million daily passengers across the Madrid region.