Montrose-O'Hare Blue Line View Schedule on CTA Website View Full System Map Montrose-O'Hare - Average Ridership by Type of Day for October 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 39 Sam Nugent County Cook Illinois House District 15 Michael Kelly Illinois Senate District 8 Ram Villivalam Municipality Chicago US Congressional District 5 Mike Quigley