Insane? You bet. But probably only for you and me *
Clearly that dude calculated the math very completely and cleverly before ever attempting this the first time, let alone filming it. He may be amateur, but he has the skill of a professional stunt man.
And professional stuntmen leave very little to chance.
* You and me?
Well, don't know about you, but I'd probably need another shot of scotch when I see that metal monster zooming over the horizon at me, and I'd be at the side of the road guzzling while he zooms by.