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Roca General Railway (Ferrocarril General Roca) is a railway in Argentina which runs from Constitución station in Buenos Aires.

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The opening was in 1865, and it was nationalized in 1948. It has been in operation since then. In that moment the president was Juan Domingo Perón.

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It owes its name to the Argentine president Julio Argentino Roca.

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It has 5 lines:

- Constitución-Ezeiza

- Constitución-A. Korn

- Constitución-Bosques (vía Quilmes)

- Constitución-Bosques (vía Temperley)

- Constitución-La Plata