CHICAGO STREETCARS AND BUSES - 1947
CAR HOUSE AND BUS GARAGE ASSIGNMENTS
Solid lines indicate streetcar routes, dotted lines indicate trolleybuses, dashed lines indicate motor buses.
At the time, numbers were used to identify bus routes, while streetcar route numbers were generally not used publicly. Bus route numbers are indicated, CSL buses in parentheses.
Separate panels show transit routes on Chicago's north and south sides.
Not shown are express bus routes, along with downtown shuttle routes and downtown routings.