not possible even in 10 years ahead as its not feasible at all for now
coz seoul area alone consists of more than 24mil people living there,u cannot compare with greater KL which still not even reached 10mil people

from wiki
Greater Kuala Lumpur, also known as the Klang Valley, is an urban agglomeration of 7.2 million

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Added on June 15, 2012, 8:42 pmfrom wiki
The Seoul National Capital Area is the world's second largest metropolitan area with over 25 million[7] inhabitants, which includes the surrounding Incheon metropolis and Gyeonggi province. Almost a quarter of South Koreans live in Seoul

This post has been edited by e36.hartge: Jun 15 2012, 08:46 PM