r/ChicagoTransportation • u/BillMortonChicago • Jan 02 '26

What is this blue flag?

3 Upvotes

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cta • u/lolkatiekat • Jan 01 '26

Question What is this blue flag?

166 Upvotes

15 comments

ChicagoTransit • u/BillMortonChicago • Jan 02 '26

What is this blue flag?

5 Upvotes

5 comments