A part of the road I/43 in the section between Černá Hora and Sebranice is the subject of diploma thesis. The output of thesis is to identify problematic parts of the safety and fluency of traffic and to propose appropriate measures. The road I/43 is very problematic and discussed of these aspects. Becouse of the character and the results of traffic accidents is called Highway of death. The thesis contains proposals of structural modification in selected problematic sections. These structural modifications are intended to increase the safety of traffic, but in order to limit of flow of traffic. Depending on the long-delayed contruction of expressway R43 is in order to make quick and effective increase the safety and the fluency of traffic counting with traffic intensity in the full range.