Motiva Linha 4, formerly known as ViaQuatro, is a company belonging to Motiva, being responsible for the operation, maintenance and investments of more than US$2 billion in the São Paulo Metro Line 4 for 30 years, through the first public-private concession contract of the country, in partnership with the Government of the State of São Paulo.

In the public-private concession contract signed, it is up to São Paulo Metro to install the civil infrastructure of the Line (stations construction, substations, rail yard and maintenance, tunnels, etc.), being the dealership responsible for the operation and maintenance of the line and acquisition of the rolling material, signaling systems, telecommunications and CCO (Operational Control Center).

Motiva Linha 4 fleet Line 4-Yellow has a fleet of 174 vehicles: Line Year Manufacturer Country of Origin Trains Numeration of Fleet / Vehicles 4 2008/2010 RotemTechnical informations Hyundai Rotem South Korea 29 401 to 429

See also Line 4 (São Paulo Metro)

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