They operated primarily between St. Louis, Missouri and Peoria, Illinois in the late 1940s and early to mid-1950s.

Each car was independently powered by four General Electric 1240A2 traction motors, producing 140 horsepower (100 kW) each, and this allowed for a top speed of 80 miles per hour (130 km/h).

The twin axle bogies for the sets were manufacturer by General Steel Casting's.

All three trains offered parlor and "À la carte" dining service.

[8] Poor patronage led the Illinois Terminal to withdraw the City of Decatur in August 1950; the equipment was reassigned to the Peoria run.