Exposition Flyer
| The Exposition Flyer in the Feather River Canyon | |
| Overview | |
|---|---|
| Service type | Inter-city rail | 
| Locale | Western United States | 
| First service | June 10, 1939 | 
| Last service | 1949 | 
| Successor | California Zephyr | 
| Former operator(s) | Chicago, Burlington and Quincy Railroad Denver and Rio Grande Western Railroad Western Pacific Railroad | 
| Route | |
| Termini | Chicago, Illinois Oakland, California | 
| Distance travelled | 2,438 miles (3,924 km) | 
| Service frequency | Daily | 
| Train number(s) | 39/40 | 
The Exposition Flyer was a passenger train jointly operated by the Chicago, Burlington & Quincy (CB&Q), Denver & Rio Grande Western (D&RGW), and Western Pacific (WP) railroads between Chicago and Oakland, California, for a decade between 1939 and 1949, before being replaced by the famed California Zephyr.