CRIP 4506 leads the caboose train onto the mainline at the Illinois Railway Museum during the annual Diesel Days event in 2018.

Chicago, Burlington & Quincy SD24 #504 leads the famous Nebraska Zephyr trainset onto the mainline at the Illinois Railway Museum during the annual Diesel Days event in 2018.

It's the Illinois Railway Museum's annual Diesel Days event, and on this Sunday the mainline trains were running primarily with cab units. Here, CNW 411 leads the bilevel train back from the east ... (more)

It's the Illinois Railway Museum's annual Diesel Days event, and on this Sunday the mainline trains were running primarily with cab units. Here, CNW 411 leads the bilevel train across a small tres... (more)

It's the Illinois Railway Museum's annual Diesel Days event, and on this Sunday the mainline trains were running primarily with cab units. Here, CBQ 9911-A and the Nebraska Zephyr pause in Johnson... (more)

It's the Illinois Railway Museum's annual Diesel Days event, and on this Sunday the mainline trains were running primarily with cab units. Here's a passing shot of the cab of CBQ 9911A on the Nebr... (more)

It's the Illinois Railway Museum's annual Diesel Days event, and on this Sunday the mainline trains were running primarily with cab units. Here, Milwaukee Road 118-C pauses in Johnson Siding with ... (more)

It's the Illinois Railway Museum's annual Diesel Days event, and on this Sunday the mainline trains were running primarily with cab units. Here, Milwaukee Road 118-C pauses in Johnson Siding with ... (more)

It's the Illinois Railway Museum's annual Diesel Days event, and on this Sunday the mainline trains were running primarily with cab units. Here, the Nebraska Zephyr reverses into Johnson siding fo... (more)

It's the Illinois Railway Museum's annual Diesel Days event, and on this Sunday the mainline trains were running primarily with cab units. Here, METX 308 waits in Johnson siding with the caboose t... (more)

It's the Illinois Railway Museum's annual Diesel Days event, and on this Sunday the mainline trains were running primarily with cab units. Here, SLRG 515 waits in Johnson siding with the Nebraska ... (more)

It's the Illinois Railway Museum's annual Diesel Days event, and on this Sunday the mainline trains were running primarily with cab units. Here, METX 308 waits in Johnson siding with the caboose t... (more)

It's the Illinois Railway Museum's annual Diesel Days event, and on this Sunday the mainline trains were running primarily with cab units. Here, METX 308 waits in Johnson siding with the caboose t... (more)

It's the Illinois Railway Museum's annual Diesel Days event, and on this Sunday the mainline trains were running primarily with cab units. Here, ATSF 92 waits in Johnson siding with the coach trai... (more)

It's the Illinois Railway Museum's annual Diesel Days event, and on this Sunday the mainline trains were running primarily with cab units. Here, SLRG 515 waits in Johnson siding with the Nebraska ... (more)