Hai Van Tunnel, longest tunnel in Southeast Asia, connects the two cities of Danang and Hue in central Vietnam. Location of Southeast Asia Southeast Asia is a subregion of Asia. ... Jump to: navigation, search It has been suggested that Danang, Vietnam be merged into this article or section. ... For the city in Vietnam, see Huế A hue refers to the gradation of color within the optical spectrum, or visible spectrum, of light. ...
Khai said HaiVanTunnel was the gateway for the East-West Economic Corridor (EWEC), a huge project of ASEAN and the Greater Mekong Subregion (GMS) in particular.
HaiVanTunnel, which took nearly five years to complete, includes 6.3km of the main tunnel, plus the 6.3km parallel evacuation tunnel, a 1.9km system of cellars for ventilation, and three electrolastic filter systems with 15 cross-passage tunnels.
The tunnel is equipped with a lighting system, a ventilation system, and a special use mechanical hardware system with highly automated and modern functions, according to Transport Minister Dao Dinh Binh.