1. Chicago transit map showing Chicago Transit Authority Lines ... street car, motor bus, trolley bus, elevated and subway ... and connecting suburban bus routes. [cartographic material] Yale Public content 1953. 2011-01-25T20:09:53Z. 2022-11-04T21:35:03Z. Chicago Transit Authority. Issued by Chicago Transit Authority. English. cartographic image. Public. Illinois, Chicago Metropolitan Area, and Chicago Metropolitan Area.