"Dial-A-Ride" is the more universal term for such services. Pace previously branded such services as "Call And Ride", now brands them as "On Demand".
Route numbers are generally used by Pace more for "internal" purposes. Recent changes on the Pace web site now make operational details less available.
591 - Wheaton-Winfield Dial-A-Ride - introduced 12/12/2011, providing all day service to Du Page County government center. Operated by MV Transportation/Batavia.
592 - Geneva-St. Charles Dial-A-Ride - introduced 12/12/2011, replacing portions of route #801 and #802. Operated by Pace River Division.
593 - Vernon Hills-Mundelein Dial-A-Ride - introduced 8/2012, replacing portion of route #572. Operated by First Transit/Grayslake.
594 - Arlington Heights-Rolling Meadows Dial-A-Ride - introduced 10/1/2012. Operated by First Transit/Glenview.
595 - Tinley Park Dial-A-Ride - introduced 8/25/2014. Service suspended in 2020 due to covid-19 pandemic. Operated by First Transit/Joliet.
596 - Batavia Dial-A-Ride - introduced 10/13/2014. Operated by Pace River Division.
597 - Southeast Aurora Dial-A-Ride - introduced 10/26/2015, replacing portions of route #521, #528 and #529. Operated by Pace River Division.
598 - Naperville-Aurora Dial-A-Ride - introduced 10/23/2016, connecting with newly enhanced fixed route service along the growing corridor near Illinois Route 59. Operated by Ride Right Batavia.
599 - Hoffman Estates Dial-A-Ride - introduced 8/2018.