Abstract
In the continuons research carried out by VTI differentmeasurements for rond accident are tested in order tofind neasurements to be used in different decisionprocedures, intended to result in measures. When devel-oping accident measureiaents it is essential to defineand to deduce traffic measurements,that show stronkrelations with the number of accidents. These trafficmeasurements are Galled risk exgosures. For the fullreport see VTI report 144 A, IRRD 240704.