The purpose of this paper is to examine how local jurisdictions can corporate for regional planning in the regional government so-called Portland Metro, and Council of Governments (COGs), Oregon, U.S.A. The paper firstly reviews the frameworks and planning functions in Metro and COGs, followed by an examination of cooperation mechanism with local jurisdictions. From the analysis, coalition is found at two stages: policy advisory meetings with mayors and technical advisory meetings with planning directors. It is conclude that development of facilitate-function and establishment of technical advisory committee in Japanese regional associations are valuable from the study.
