A very early Amtrak "Denver Zephyr", with 4 domes

just another westbound commuter train passing through La Grange, IL on BN's "speedway"

At least the locomotives match. Well, sorta. The last locomotive, upon close inspection, is still in CB&Q chrome, but newly-labeled in the short-lived chrome BN scheme. Railroad: Burlington Northern Railroad
Locomotive: EMD E8(A)
Location: Fargo, North Dakota, USA
Locomotive #: BN 9970
Train ID: Unknown
Photo Date: April, 1971