sentences:  Following the Lac-Mégantic derailment in July 2013 when a one-man Montreal, Maine and Atlantic Railway train was involved in a major and fatal accident, the Canadian Government issued an emergency order banning one-man freight trains carrying hazardous cargo.This move has been criticised as rash action before the cause of the accident has been uncovered.Critics of the emergency order further pointed to a 1997 "Study of One-Person Train Operations," commissioned by Transport Canada which concluded that it is unlikely that two persons in the cab improves safety.