Freight transport
The Argentine Government did not make any investment in the railway, so the rolling stock became obsolete. In the 1970s passenger services were served by two old Drewry railcars at . Freight transport had decreased to one or two services in a month. Finally in 1978, the de facto government led by Jorge Videla closed the Puerto Deseado Railway. The Government alleged economic problems as the main reason for the closure as the deficit was considerably high.