It was founded in 1975 as a local entity with its own legal identity and independent of the entities within the consortium.
It is made up by the Basque Government, the Biscay Provincial Government, the Bilbao City Council, and other city councils that control areas through which the Bilbao Metropolitan Railway runs.
It is financed by the Basque Government and the Biscay Provincial Government.
Its work was initially begun with the fundamental objective of building the Bilbao underground or Metro and to manage public transport in Biscay after starting up the underground rail service.
