It depends on the state, jurisdiction, and sometimes even theinsurance company; however, in many cases, the vehicle from behindis At Fault.Most traffic investigators (whether they be law enforcement orwith the insurance) agree that the second vehicle (or the vehiclefrom behind) is delegated the responsibility of following from areasonable distance.If the second vehicle is not capable of stopping in time, it'sgenerally because they were following too close to the vehicle infront of them.