"Taichung will continue to be the center of central Taiwan's urban zone." Liu Yu-shan believes central Taiwan is already developing into an urban zone centered on Taichung city and extending north to Fengyuan, south to Changhua and Wufeng and west to Chingshui, Shalu and Taichung Harbor, forming a commercial entity of 2.5 million people. People could not be brought into Taichung city center in the past because of road transport problems.
「未來台中市一如早期做為中部都會區的中心地位不會改變」，劉玉山認為，中部已形成一個都會區，以台中市為中心，北到豐原，南到彰化、霧峰，西到清水、沙鹿和台中港，是一個人口為數二百五十萬人的商圈，以往卻由於道路交通不夠便利，無法將人潮引入台中市中心。