When the Chicago Transit Authority was created in 1947, transit ownership shifted from private to public control. Butunlike automobilitytransit at that time was required to be financially self-sufficient.
All maintenance and upgrades had to be paid for out of the fare boxout of the pockets of transit riders. This resulted in constantly increasing fares and some service cutbacks. Still, a high rate of Loop commuters80% by one accountused some form of mass transit in the mid-1950s.