Early Monday morning, a CTA train at Chicago's O'Hare International airport, one of the busiest airports in the world, jumped the rails and crashed into an escalator injuring more than 30 people.  The footage from closed circuit TV is amazing.

NTSB investigators say the woman who was driving a train admits she dosed off prior to the crash and that it wasn't the first time she had fallen asleep at the controls.

This is the actual footage of the train crashing.  I bet she woke up!