Chicago-Milwaukee Blue Line View Schedule on CTA Website View Full System Map Chicago-Milwaukee - Average Ridership by Type of Day for September JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember Chart JSON If this is blank, your library will need to implement code in your JavaScript. Please see the README.md. Related Jurisdictions Council of Mayors Chicago Chicago Ward Ward 27 Walter Burnett County Cook Illinois House District 10 Jawaharial Williams Illinois Senate District 5 Lakesia Collins Municipality Chicago US Congressional District 7 Danny Davis