Main Purple Line View Schedule on CTA Website View Full System Map Main - Average Ridership by Type of Day for August 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 North Shore County Cook Illinois House District 18 Robyn Gabel Illinois Senate District 9 Laura Fine Municipality Evanston US Congressional District 9 Jan Schakowsky