Intentional:Because that when its intentional the driver tries to take the other persons money or self killing. It could be because then so many people can be paying attention to their phones, sleeping on the'r wheel or dash, might go on drugs and gets high. Highly dangerous.
Unintentional: By the way that the car breaks down and the parts stop working and you try to stop the car/Truck ( or whatever vehicles) and they crash to another and end up getting injuries. They could also be trying to get their animal from climbing out the window, a child from getting up. They are probably having a diabetic seizures or medical attacks.
