This research is about the transportation decision making ability of the basic officers of Army at Kaohsiung by using questionnaire. The questionnaire’s content are focus on the lane changing decision making. There are 207 successful questionnaires collected from five military camps and the Chinese Military Academy (CMA). Most important factors of the drivers changing lane decision are the speed of the leader car, the difference from the leader cars and test car speed,the difference from the leader cars and test car distance, and the speed of making lane changing. There are some interest results in the different groups of the basic officer analysis. But there are seldom difference between the basic officer and the public.