[Born to Conserve]

That 13 year old had probably been driving tractors around the farm for ten years, and likely was a stronger and better driver than 90% of city/suburban 20 year olds.

My mom sent me out to change the tire on our 1950s Chevy sedan when I was five. I of course took it for a test drive around our driveway. Getting the flat into the trunk was too much though — had to get some help from the big kids.

[yesthatjallen]

"That 13 year old had probably been driving tractors around the farm for ten years, and likely was a stronger and better driver than 90% of city/suburban 20 year olds."

This is speculation on your part.

He said the vehicles crashed on a two-lane asphalt highway where the speed limit is 75 mph

A tractor in an open field moving at 20 mph isn't equivalent to a vehicle on a two lane highway at speeds up to 75 mph.