The article says truck brakes littered the hill, so he must have known he was in trouble way before he hit the intersection. It almost sounds like he tried to save his own skin by crashing into the cars in front of him to slow him down....?
Lived right next to I-91 in my 'yute'... saw a '4-fatal' back in the mid-60's. A car carrying 3 'diversified' heroin addicts jumped the median and went airborne into some dude with a 'vette.
They were searching the trees with spotlights(it was by an overpass) for bodies.