In 1948 and 1949, the Pioneer Zephyr was temporarily removed from service to participate in the Chicago Railroad Fair's "Wheels A-Rolling" pageant.
在1948與1949年，先鋒者微風號被暫時的停止定期營運，以參加當時芝加哥鐵路博覽會（Chicago Railroad Fair）的「Wheels A-Rolling」慶典。