Transportation safety management system is a system that is intended for land, sea and air all of the transportation operators. This system, in response to the serious accident occurred in transportation in 2005, was introduced in 2006. The purpose of this system is to prevent accidents caused by human error. In this system, transportation operators turning the Plan-Do-Check-Act cycle for accident prevention and building a safety culture, government agencies to evaluate the operators' efforts. The most important in this system is the active involvement of top management with respect to safety, because it is basic for the functioning of the safety measures. This system has been established as a system to ensure the safety of transport in these days. However, there are the following problem with this system. Despite the evaluation of the country is being performed, it happened accidents due to the problem of organizational culture. Now that time has elapsed from the introduction of the system, there is a need to consider how to operate the system effectively.