The realization of order and safety in traffic is the government's goal which is carried out through traffic management and traffic engineering. However, in fact, traffic accidents still often occur which can be caused by several things, such as driver negligence, damaged roads, and driver indiscipline on the road. This research will discuss the application of progressive law in deciding traffic accident cases that result in the victim's death. The method used in this research is normative juridical with a statutory, contextual and case approach. Primary and secondary data in this research were obtained from books, articles, expert opinions, and Decision Number: 1625/Pid.Sus/2022/PN.LBP. The results of this research show the role of progressive law in realizing justice and also the application of progressive legal values contained in Decision Number: 1625/Pid.Sus/2022/PN.LBP. From this analysis, it is concluded that the case raised by the author is an example of the application of progressive law in a traffic accident case which resulted in the victim's death. It is hoped that the implementation of this progressive law will provide a sense of justice for victims and their families and provide opportunities for defendants to improve themselves.