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Accident Report Detail

​Railroad Accident Brief: Collision of Two Chicago Transit Authority Trains

Executive Summary

On Monday, September 30, 2013,at 7:42 a.m. central daylight time, a set of unoccupied Chicago Transit Authority (CTA) passenger cars collided with CTA passenger train 110 at the Harlem-Congress passenger station in Forest Park, Illinois. The unoccupied cars were moving about 24 miles per hour when they struck the stopped train. Thirty-three passengers and the train operator were taken to local hospitals and later released. CTA estimated the property damage to be$6.4 million.

Probable Cause

​The National Transportation Safety Board determines that the probable cause of the accident was water in the control cables of two cars, which caused errant control signals to be sent to the cars’ power systems. Contributing to the accident was the ChicagoTransit Authority’s practice of not securing unattended equipment.

For more details about this accident, visit and search for NTSB accident ID DCA FR014.

Accident Location: Forest Park , IL USA  
Accident Date: 9/30/2013
Accident ID: DCA13FR014

Date Adopted: 4/13/2015
NTSB Number: RAB-15-02
NTIS Number:  

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