Chicago Surface Lines

Chicago Surface Lines
Overview
Dates of operation1913 (1913)
1947 (1947)
SuccessorChicago Transit Authority
Technical
Track gauge4 ft 8+12 in (1,435 mm)

The Chicago Surface Lines (CSL) was 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.