Yokohama Municipal Subway Accident Driver “Severe Sleep Apnea Syndrome” Diagnosis December 19 15:06
In August, it was found that the driver was diagnosed with severe sleep apnea syndrome in an accident in which the train hit the wall after the passengers were dropped off at the Yokohama Municipal Subway.
In August, at the landing station of the Yokohama Municipal Subway Blue Line in Izumi Ward, Yokohama City, after the train that dropped the passenger entered the pull-in line for return operation, it passed the stop and collided with the wall.
According to the city, a 42-year-old male driver was on duty from the previous day and told the city's survey that he had “sleeped asleep”. I found out that I was diagnosed.
City performs inspection for sleep apnea syndrome for driver once every three years, but this driver was not treated because it was diagnosed as mild in examination two years ago is.
The city imposed a one-month disciplinary action for the driver to be suspended on the 19th because he did not operate the brakes properly.
In the future, the city will continue to take measures to prevent recurrence, such as having it tested again in the next year even if it is mild.