Maps additionally suggested  increasing the route length of two lines: Possibly running the Brown Line from its terminus at Kimball, to the Loop, and continuing to the 54th/Cermak terminus via the current Pink Line route from the Loop; and Orange Line service from , to the Loop, and continuing to Midway Airport via the current Orange Line route.
Maps proposed extending the routes of two lines: The Brown Line could be extended from Kimball to the Loop, then to 54th/Cermak using the current Pink Line path; and the Orange Line could extend from to the Loop, then to Midway Airport via the existing Orange Line route.