Ferrocarriles Chiapas-Mayab

Employees who work for Ferrocarriles Chiapas-Mayab, as well as the SCT, have criticized management for the deterioration and lack of maintenance of railway infrastructure, citing the potential of petrochemical derailment and the loss of life. The Secretary General of the railway union of Yucatán, has criticized Ferrocarriles Chiapas-Mayab for the decline of speed from thirty-five kilometers per hour to ten kilometers per hour. The National Chamber of the transformation industry cited that the railway derails 200 times per year on average.[15]

By 2016, The Secretary of Communications and Transportation (SCT) grew impatient about the deterioration of the railroad, as well at the migrant crises in which Central American migrants were riding on top of the trains.[16][17] By August 23, 2016, The Secretary of Communications and Transportation revoked the concession to Viabilis Holdings. Citing that, "For reasons of interest, public utility and national security" as the reason it was revoking the concession.[18] Viabilis Holdings was given 60 days to remove and dispose of property, equipment and facilities owned off the railway.[19]

One of the shareholders in Ferrocarriles Chiapas Mayab, Pedro Topete Vargas, denounced the revocation of its concession as, "an act of revenge" from Secretary of Communications and Transportation Ruiz Esparza.[20] Due to litigation of his other company, Infraiber, towards SCT favorite OHL, which Vargas has accused of corruption and favoritism.[8][21]