A trucker’s dash cam captured a scary scene on a U.S. highway when he gets violently brake checked by another semi.

The footage, uploaded by Roadcams, starts with the two trucks nearly side by side on a two lane road, when one driver pulls ahead and slams on his brakes.

Without enough room to stop, the two trucks collide. The collision causes the victim’s windshield to crack and pieces of the truck can be seen flying off onto the road.

Immediately after contact is made, the brake-checker zooms away from the site of the incident. No matter what the driver’s reasoning was, nothing justifies a reaction like this.

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