Just fired up Elemental with the saved game above, and I was unable to reproduce the crash.
Moving the Caravan into the city of Milford, the Caravan faded away and a road to Detroit appeared. After clicking the turn button I was able to see the mini-Caravan heading back to pick up goods from Detroit.
Don't you just hate un-reproduceable errors?
I did notice, however, that Elemental.exe is using only 758 MB versus the 1gig+ shown above. I'm guessing that's because it's a fresh launch of the game with only a few turns having been played

I do see some references in the debug.err file though such as Debug Message: WARNING: Could not find animation sub pack 'K_Wagon_Idle_Animations' for animation pack 'WagonAnimationPack
Link via DropBox: Debug.err of the couple turns I've done since reloading.