It has out of circulation 28% of the wagon fleet, of 134 units, including those remanufactured recently acquired.The Metrorrey Collective Transport System has 28% of its fleet of 134 wagons out of circulation on its three lines, including recently acquired remanufactured units.Of the unused units, 15 correspond to the German remanufactured ones, 13 are from the first Bombardier brand wagons acquired.Five more are from the same French brand, although in a more recent model, and the last five are from the CAF brand, for a total of 38.Due to the lack of use of the units, due to a lower budget, the Metrorrey fleet has reliability problems.In the complementary diagnosis of sustainable mobility, in the section of the Metrorrey Master Network, it is detailed that the problems in some units are due to the lack of spare parts by budget.And according to the document published in the Official State Newspaper, this situation results "in a limitation to offer a better transport offer."Nuevo Leon Metro will have 6 linesIt adds that "despite the historic progress of Line 3, due to the absence of a spare parts acquisition program with a budget, the Metro train fleet has reliability problems."The number of non-operating wagons may be greater, since nine of the remaining remanufactured units cannot be used during peak hours, because they have faults and are occasionally used during off-peak hours.According to a publication by EL NORTE, in the report, the State admitted that it has a poor service in the subway infrastructure, highlighting the turnstiles and ticket machines.