http://www.irm.org/events/zephyrexcursion.html
The Illinois Railway Museum, in cooperation with Amtrak and BNSF Railway, will operate the Nebraska Zephyr, powered by CB&Q 9911A "Silver Pilot", on an excursion between Chicago and Quincy, Illinois on September 22nd and 23rd.
On each day, the Nebraska Zephyr will depart Chicago Union Station at 9:00AM and travel on BNSF's Mendota subdivision 162 miles to Galesburg, Illinois, arriving at 11:40AM. The Zephyr will depart Galesburg at 12:00PM for another 96 miles to Quincy, Illinois, turn on the wye at West Quincy and arrive back at Galesburg at 4:00PM. The Zephyr will then depart Galesburg at 4:20PM and arrive back at Chicago Union Station at 7:00PM, a total round trip of over 500 miles.