This master thesis which has resulted in cooperation with the engineer office Modro & Blanke treats the difficulties of the direction of damage cause at roaming touches. The target was to get new knowledge to the recognizebility of direction to graze at road accidents. Crash tests are point of main effort however, real comparison cases evaluated also.

The theses contains numerous picture examples in which in the photos the direction of damage cause were marked. A suitable comparison fast can be found thereby in the practice without wasting time in investigate. In the appendix of the master thesis the used instances are prepared in greater details.