Carter has been on the job nearly 10 years. But over the last year, pressure has been ratcheted up to remove him amid questions of safety, cleanliness, and timeliness of buses and trains. Political Reporter Chris Tye reports.

CTA President Dorval Carter, Jr. announced that he will retire at the end of the month after 40 years of service in public transportation. "The City of Chicago is grateful to President Dorval Carter for his decades of service with the Chicago Transit Authority,

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