I want to build a few too. I thought someone made a 'scale' version,,,,but I scratch built some 80 ft open auto racks.....these will go good as a then and now example.
Cars bottom front to back......
53 Chevy
53 Nash
53 Ford...can't tell trim level
Top
53 Hudson Hornet
53 Kaiser can't really tell...but looks likeone
53 Chrysler of some type....maybe Plymouth.