CSL 4021, the only prewar Chicago PCC saved, prepares to leave the Madison and Austin loop on August 27, 1940. This car is now at the Illinois Railway Museum. (Chicago Surface Lines Photo, Chicago Historical Society)
CSL 4021, the only prewar Chicago PCC saved, prepares to leave the Madison and Austin loop on August 27, 1940. This car is now at the Illinois Railway Museum. (Chicago Surface Lines Photo, Chicago Historical Society)