Method and apparatus for warning of following vehicles in frontal longitudinal traffic escalating

The invention relates to a method and a device for warning of the following vehicles in a group of several successive vehicles (1, 2, 3), from a preceding vehicle (2) transmits a warning message (W) to a subsequent vehicle (3) becomes. In this case, from a central vehicle (2) determined from a total distance (d Upon the existence of the critical approach, an automatic warning is (W) received by the mid-vehicle (2) of the following vehicle (3).