CHICAGO — The Chicago Transit Authority is having employees take a series of precautionary steps to keep out-of-service, unmanned trains from moving along the tracks.
The guidance was issued late Thursday, days after an empty, four-car train traveled along a Blue Line track, slamming into a parked train and injuring dozens of people.
CTA spokesman Brian Steele tells WMAQ-TV the bulletin was initiated by the transit agency, not federal officials who are investigating Monday's collision.
He told the Chicago Sun-Times that the guidance adds "some redundancies" to controls that are already in place. He compared the new safety guidelines to wearing a "belt and suspenders and another belt."
More than 30 people were treated for minor injuries after the crash in Forest Park, about 10 miles west of Chicago.