> If you rear-end a vehicle that's established in your lane, it's always your own fault, no exceptions. Of course there are exceptions. There are any number of

> If you rear-end a vehicle that's established in your lane, it's always your own fault, no exceptions. Of course there are exceptions. There are any number of well-established circumstances that, if proven, place responsibility on the driver in front. It is not legal to suddenly panic-brake to a stop, for instance, without exigent circumstances which make it necessary to do so. If a driver causes a collision by doing so they bear liability. There are any number of insurance scams that are thwarted by such exceptions.