The Rede Ferroviária Federal, Sociedade Anônima (RFFSA) (Portuguese: Rede Ferroviária Federal S.A., Federal Railroad Network) was the state owned national railway company of Brazil created from Brazilian Federal Law #3.115 on March 16, 1957, after several railroads were nationalized by the Brazilian government. However, the railroad did not take full effect until September 30, 1957.