Arlington Park Union Pacific Northwest Line Union Pacific Northwest Line Schedule from Metra View Full System Map Arlington Park - 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 Northwest County Cook Illinois House District 54 Mary Beth Canty Illinois Senate District 27 Mark Walker Municipality Arlington Heights US Congressional District 8 Raja Krishnamoorthi