The relationship between injury severity on the AIS (abbreviated injury scale) and one of the characteristics designating accident severity was investigated on the basis of 60 vehicle-vehicle side collisions. The injury severity curve cbtained in this way was compared with the corresponding curve For dummy load values in order to arrive at a correlation between injury severity and dummy loading. The dummy loading values were in this case determined by the use of mathematical models which had been calibrated by means of the results of experimental tests.