CHICAGO (WBBM NEWSRADIO) -- Normal service is resuming for Blue Line trains after track problems caused four hours of major delays Friday morning near the Northwest Side Jefferson Park station.
Forest Park-bound trains were temporarily stopped because of a “track condition” about 8:30 a.m., according to an alert from the Chicago Transit Authority. A CTA spokeswoman said a large section of the electrified third rail failed in the area and crews were dispatched to repair it.
Trains operated on a single track in both directions between Harlem and Montrose, according to the CTA.
Normal service on both tracks resumed with residual delays by 12:35 p.m., officials said.