Red Line trains were resuming normal service after the Chicago Transit Authority rerouted trains to elevated lines between Fullerton and Cermak-Chinatown due to reports of smoke on the tracks near North and Clybourn.
The CTA first announced the disruption at 7:24 a.m. Wednesday. The Chicago Fire Department is investigating the cause of the smoke, the CTA said.
Trains resumed normal service by 8:20 a.m., the CTA said.
