O'Hare North Central Service North Central Service Schedule from Metra View Full System Map O'Hare - Station Weekday Ridership Trend 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 | North Central Chicago Ward Ward 41 Anthony Napolitano County Cook Illinois House District 20 Brad Stephens Illinois Senate District 10 Robert Martwick Municipality Chicago US Congressional District 5 Mike Quigley | 8 Raja Krishnamoorthi