Carter’s resignation comes as a debate brews in Springfield about whether to combine the CTA with Metra, Pace and the Regional Transportation Authority.

CTA president and CEO Dorval Carter announced Monday he'll retire at the end of the month. Why it matters: Carter has been under fire in recent years from other city officials and CTA riders who think the leader hasn't done enough to improve service since the pandemic decimated ridership.

Block Club Chicago's reporting uncovered mismanagement and a lack of accountability from leadership of the Chicago Transit Authority, with far-reaching consequences for riders and the agency's employees.