I don’t have any backinfo about the video. It’s a CCTV footage that appears to show a man in his 20’s or 30’s hurling himself in front of a semi driving down a motorway in an apparent attempt to commit suicide.
The man got rammed pretty hard, and presumably also run over even though the trucker slammed the brakes right away. I figure the suicide was successful.
Props to Best Gore member @auggy-v1 for the video: