The East–West Economic corridor (EWEC) is an economic development program initiated to promote development and integration of
four Southeast Asian countries: Myanmar, Thailand, Laos and Vietnam. The concept was agreed upon in 1998 at the Ministerial
Conference of the Greater Mekong Subregion, organized in Manila, the Philippines. The corridor became operational on December 12,
2006. The backbone of the corridor is a road of 1,450 km with the west end at port city of Mawlamyine (Myanmar), crossing Kayin
Division, the Thai provinces of Tak, Sukhothai, Phitsanulok, Phetchabun, Khon Kaen, Kalasin and Mukdahan, the Laotian provinces of
Savannakhet, and the Vietnamese provinces of Qu ng Tr , Thua Thien–Hue Province with Da Nang city as the east end