See the attachment or follow the link for the Amtrak Chicago Sub Timetable No. 6, effective June 17, 2024. Signals are on Section 9, page 1. There are no signal changes from TT No. 5 except the aspect display format has changed with the aspect letter and number (if applicable) now visible in the timetable.
Amtrak Chicago Subdivision Timetable No. 6 Effective Monday, June 17, 2024.pdf