 It was constituted as the "Companhia de Estrada de Ferro Dom Pedro II", under the directorship of Christiano Benedicto Ottoni.Works commenced on 11 June 1855 and on 29 March 1858, the 48 km gauge section from Rio de Janeiro to Freguesia de Nossa Senhora da Conceição de Marapicu (now Queimados) was completed.At this time there were 5 stations