Newly-released video on Tuesday from inside a Chicago Transit Authority's Green Line train that derailed on June 6 shows just what passengers experienced during the incident that prompted a massive response and led to workers being disciplined.
Moments leading up to the derailment shows passengers on the train suddenly realizing something went wrong and quickly move toward the side of the train to look out the windows.
A total of seven people were hurt when the front car slipped off the tracks near the 47th Street stop in Bronzeville.
Dozens of firefighters responded and ended up rescuing 30 individuals.
CTA told NBC 5 Investigates the derailment occurred as a result of human error. According to the CTA, two workers previously moved a switch from its normal position to a reverse position and that resulted in the tracks not being aligned.
Two signal workers received 10-day suspensions without pay and were placed on six months' probation.
CTA says it's still reviewing the train operator's role in the incident.