This study investigations the history of master plans of Iwaki city, which was born in 1966 as a result of a unification of 14 municipalities. Through the analysis of former master plans, new city construction plan and comprehensive plans from the first till fourth, it si evident that Takayama report, academic advisory report in 1968, played significant role for the development of Iwaki city. This Takayama report made an important influence for the formation of consensus on urban development policy and the contents of advice are realized for development of urban core. It implicates the necessity of academic advisory function to get wide consensus before nification of municipalities.
