Abstract
In the past few years, traffic accidents are decreasing. Although, the ones occurred by the elderly people are increasing. From 2005-2015, the percentage of it has doubled. To stop the traffic accidents occurred by the elderly people, automated driving system is being attentioned. Automated driving system can be divided to 4 levels, and the higher the level becomes, the higher it costs. To stop the traffic accidents occurred by the elderly people, which level is necessary? In this report, we will research the current condition and the future of the automated driving system, and research how the elderly people think about “driving". Then, we will consider about preventing the traffic accidents occurred by the elderly people with automated driving system.