This railway project has recently been added by the Government to Vietnam's Railway Network Planning until 2030, with a vision to 2050.

In addition to the 1,541-kilometer North–South line linking Ngoc Hoi Station in Hanoi with Thu Thiem Station in Ho Chi Minh City, the government has added the second high-speed route connecting Hanoi and Quang Ninh, home to the world heritage site of Ha Long Bay.

The 120-km route will pass through 22 communes and wards of four provinces and cities, including Hanoi, Bac Ninh, Hai Phong, and Quang Ninh.

The starting point will be the Vietnam Exposition Center in Dong Anh commune, Hanoi and the ending point is the Ha Long station, Tuan Chau commune, Quang Ninh. The designed speed of the route is 350 km per hour, of which the section through Hanoi is 120 km per hour.