CTA Sign Beneath Loop Elevated Tracks, Chicago

CTA sign beneath elevated “L” tracks in the Chicago Loop at night.
CTA sign beneath elevated “L” tracks in the Chicago Loop at night.

A CTA sign beneath elevated "L" tracks marks transit service in the Chicago Loop. The elevated rail structure carries multiple Chicago Transit Authority lines through the central business district. Sections of Chicago's elevated rapid transit network date to the 1890s, with ongoing maintenance and upgrades supporting daily service.

Photo taken in October 2019.

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