Driver dozed off, a double deck bus slammed into a tree killing 14 passengers. A trailer ran free due to brake fail, collided into multiple vehicle down hill. These are just example of road accidents that resulted from poor management. Next question to ask is by whom?. Transportation Safety Manager-TSM is just like a safety officer in a workplace. He or she play important roles to establish safety management system in a company that has more than 50 buses or truck. Let’s see what in this course.