Subtitle: "the organization, equipment and service of the underground
tubes which handle thousands of carloads of freight each day and take a
great traffic burden from the busy streets of the loop" this 1928
publication by the Chicago Tunnel Terminal Corporation extols the
virtues of their tunnels. As well as praise for the tunnel system,
images and general statistical information is provided, such as the
number of lights in the tunnel, and the average annual payroll.
Page from The Chicago Freight Tunnels
The Chicago Freight Tunnels; the Organization, Equipment and Service
of the Underground Tubes Which Handle Thousands of Carloads of Freight
Each Day and Take a Great Traffic Burden from the Busy Streets of the
Loop. Chicago, IL: Chicago Tunnel Terminal Corporation, c1928. Crerar 625.4 S800