ɪn ɑːktˈoʊbɚ nˈaɪntiːnhˈʌndɹɪd nˈaɪnti sˈɛvən, ɐ fˈɪftijˈɪɹ kənsˈɛʃən wʌz ɡˈɪvən tə ɹˈeɪlɹoʊd dɪvˈɛləpmənt kˌɔːɹpɚɹˈeɪʃən ˌɑːɹdˌiːsˈiː wˌɪtʃ stˈɑːɹɾᵻd tə ɹᵻhɐbˈɪlᵻtˌeɪt ðə nˈɛtwɜːk.
In October 1997, a 50-year concession was given to Railroad Development Corporation (RDC) which started to rehabilitate the network.