A mechanical malfunction may be the reason an out-of-service CTA train rolled onto the tracks on its own, and slammed into another train a mile away injuring 33 people.
Video from three different CTA cameras didn’t show anyone getting on or off the Blue Line train before it crashed at the Harlem station on Monday.
So far, there isn’t any evidence of criminal activity.
NTSB officials will continue investigating the incident, despite the agency being technically closed due to the government shutdown.
The CTA says there will be normal service for rush hour trains this morning. Bus shuttles will remain in place, but there will be stops at Harlem.
The damaged train has been taken off the tracks.