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 ...

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 ...

She said she saw two people wearing yellow CTA vests arguing with a third man outside the Blue Line station. She said one of the men in a CTA vest shot another man, who also appeared to have a gun.