Topic summary
Chicago Surface Lines

The Chicago Surface Lines (CSL) was the operator of the street railway system of Chicago, Illinois, from 1913 to 1947. The firm is a predecessor of today's publicly owned operator, the Chicago Transit Authority.
Topic summary

The Chicago Surface Lines (CSL) was the operator of the street railway system of Chicago, Illinois, from 1913 to 1947. The firm is a predecessor of today's publicly owned operator, the Chicago Transit Authority.