'Kibi Plateau City' had been planned in 1974 and its construction started in 1981. Construction plan is divided into two intervals. The former interval of the construction plan was completed in 1993. The latter interval, however, has been freezing due to the local financial crisis of
Okayama Prefecture. This paper first reviews planning process of 'Kibi Plateau City' and picks up current problems by statistical data and articles of newspapers. Secondly, questionnaire is made up and implemented to residents. Finally, according to the results of the questionnaire an evaluation of 'Kibi Plateau City' is proposed.