We are currently developing an all-time rolling stock roster for the Iowa Interstate Railroad (in other words, any and all cars that ever bore IAIS reporting marks). This includes freight cars, passenger cars, and any non-revenue railcars such as plows, ballast cars, etc. Since, unlike the locomotive rosters, freight cars aren't commonly tracked by fans, this is turning out to be quite a challenge. Contributions, corrections, or comments always appreciated - just email us.
Search the rolling stock database.