Chicago transport authority with its corporate office in Chicago, Illinois, abbreviated as CTA operates public transit in and around Chicago. Started in 1947 by amalgamating Chicago Rapid Transit Company and Chicago Surface lines streetcar System, it works under Chicago Municipal Corporation. It further purchased assets from Chicago Motor Coach Company, held by Yellow cab founder John D. Hertz, working today under Regional Transportation Authority. Right now, its fleet consists of 1782 buses and 1,190 rails carrying about 1.82 million people with fare collection by cash or transit cards. Earlier, trolly buses also were in use, which were phased out in the 1960s and 1970s. The CTA does radio operations to keep the commuters upto date.