Abstract
Public Involvement(PI) has been recognized as important method in the process of road planning and the number of cases of PI have been increasing. This paper analyzes the relationship between the level of citizen participation, the degree of citizen's satisfaction with PI, and the degree of recognition of the plan, by using a citizen survey. Secondly, we try to grasp the factors which decides the level of citizen participation, which influences the level of satisfaction of citizen with the plan. Finally, this paper aims to clarify the important points when using PI method in the process of planning. The important points are as follows: 1)grasping the characteristic of people who were involved in the PI 2)securing adequacy of process 3)establishing reliable relationship with citizen 4)offering information timely and adequately 5)adopting variety of methods of communication.