The CTA instructor was crammed into a seat on the back end of a snowplow paused on the tracks when he saw the Yellow Line ...

CTA has since reduced the maximum authorized speed on the Yellow Line from 55 mph to 35 mph. The NTSB said a slippery black substance found on top of the rails at the crash site was confirmed by ...

Over the past five years, slow zones have grown along most sections of the train system, the CTA slow zone maps show. One area that has slowed notably is the Yellow Line, where speeds were ...

The changes — mostly on the Blue Line — begin April 20. Red and Yellow line trains are having their morning schedules changed to better align with each other.