I adjusted the photo in PhotoShop to bring out some of the details.

The highway is on the right (you can see the spray cloud caused by traffic), woods to the left. The trailer is more or less facing in the right direction; the SUV is pointing the wrong way.

Looks like they tried to stop; the trailer had other ideas and took them on a trip backwards through the mud. Fortunately, it was just mud and not trees and/or concrete. Damage appears to be limited to the back window / side of the car and the one boat with a broken hull. Hard to tell if the trailer tongue was bent.

Extracting that from the soft mud on the side of the road must have been interesting.

I passed by there (with a double-stack) about an hour before it happened and it was pouring rain. Lots of cars spun out into the ditches. Hydroplane city. A 6-mile stretch of I-94 was closed due to flooding.