This is the heart stopping moment an early morning commute on a California freeway turned into total carnage. The police are now hunting the biker after leaving the scene of an accident that left one driver hospitalized.

A passenger who recorded the altercation said he witnessed the SUV in the carpool lane cut off the motorcyclist, they then had a heated exchange of words at around 65 mph. The biker then moved around to the drivers side door where he kicked out at the SUV and the video begins.