Updated 03/26/14 – 4:15 p.m.
CHICAGO (CBS) — Federal investigators said the woman who was operating the Blue Line that crashed at O’Hare International Airport on Monday admitted she dozed off before the crash, and didn’t wake up until it derailed and slammed into an escalator.READ MORE: City Not Issuing Timely Speed Cam Warning Tickets, Costing Drivers: 'No Time For Me To Change My Behavior'
The CTA saus that in a previous incident in Febrauary, the operator missed a CTA stop after she “closed her eyes for a moment” One car missed the station and the train had to continue to the next station because it did not properly stop. She received a a written warning for the safety violation.
She also told investigators she fell asleep at the controls before the crash on Monday. The crash occurred around 2:50 a.m. Monday.
“She did admit that she dozed off prior to entering the station. She did not awake again until the train hit close to the end of the bumper,” Turpin said.
However, the CTA says according to their records she did not “doze off” and only “closed her eyes for a moment”