Amtrak's California Zephyr - REAR VIEW - Chicago Union Station to Naperville

Railfan window view from Amtrak's westbound California Zephyr departing Chicago Union Station to the first stop of Naperville, IL. This BNSF right-of-way is the old CB&Q (Burlington Route) triple-main "racetrack." Filmed on the afternoon of June 8, 2019.