[5] The railway was converted to 1,435 mm (4 ft 8+1⁄2 in) standard gauge between 2006 and 2010 by the neighboring Ferrocarril Central Andino.
It is also possible to see some works done by the ancient inhabitants of these towns and villages such as the Colonial Bridge of Izcuchaca, the thermal baths of Aguas Calientes, the rustic stations and the spectacular road engineering of the railway.
There is a railcar service which operates once in each direction on the days that the locomotive hauled train doesn't run, taking 4 hours.
[9] In 2015 PERU's Agency for the Promotion of Private Investment (Proinversión) issued an invitation for bids for a 30-year concession to “comprehensively rehabilitate” the 128.7 km line.
The concessionaire will be responsible for the design, financing, and rehabilitation of infrastructure and rolling stock, together with the provision of trains, equipment and electromechanical systems, operation, and maintenance of the railway.