CHICAGO -- Crews are still repairing damage from a Metra train derailment near Union Station, and that could impact the evening rush-hour commute on Wednesday.
Three cars of the inbound Southwest Service train went off the tracks just south of Union Station around 10:50 p.m. on Tuesday.
That derailment damaged the track, and switching and signal systems.
No word on what caused the derailment.
No injuries were reported.