Road traffic in Vietnam is now a matter of deep and concern for the whole society, according to the World Health Organization (WHO), in Vietnam the current death due to traffic accident further 100.000 accidents, are higher than the world average of 24.5/17. This is an alarming number, causing any damages to people and property, hindering the sustainable development of Vietnam. This study focuses on analyzing the situation of road traffic violations in the last three years (from 2016 to the first half of 2019). The cause of those violations. Based on the analysis of data collected through field surveys in many provinces in the southern part of Vietnam, the authors propose solutions to improve the understanding of road traffic laws in Vietnam.