(first and second)
The first auto-train bi-level
auto rack car to bear the number 22 was former Canadian National 7300XX.
According to Craig Harrison,
this car was wrecked early on, after which auto-rack #2 was renumbered
#22 to replace it (making room in the lineup for AT
business car #2).
Jackowski, March 5, 1972, Sanford, FL