Impatient driver gets a healthy dose of instant karma

Impatient driver, meet instant karma.
A driver with front and rear-facing dash cams captured the incident where a driver in a BMW lands his car on top of a Jersey barrier.
The clip starts with the dash cam driver letting a school bus merge into its lane. The driver of the BMW is behind the dash cam driver and doesn't appreciate the hold up, so he beeps his horn and even yells at the driver.
The lane leads to the on-ramp of a highway, but the BMW decides it has no time for that, and passes the v