TO : Official : No reason , based on schedule , that fatigue may have been a factor . NEW : Incident did prompt transit officials to look at train operator fatigue . 32 people were injured in last month 's incident at the end of Chicago 's Blue Line . The driver of a train that jumped the tracks last month at Chicago 's O'Hare International Airport -- after having reportedly `` dozed off '' -- has been fired , a transit authority spokeswoman said Friday . A union official had said there were ` ` indications '' that the train operator ` ` dozed off ''
TO : Official : No reason , based on schedule , that fatigue may have been a factor . NEW : Incident did prompt transit officials to look at train operator fatigue . 32 people were injured in last month 's incident at the end of Chicago 's Blue Line . A union official had said there were ` ` indications '' that the train operator ` ` dozed off ''