This list enumerates railway lines in Vietnam. The Vietnamese railway system is owned and primarily operated by the state-owned Vietnam Railways (Vietnamese: Đường sắt Việt Nam), although private railway companies also offer special service to key destinations. Its principal route is the 1,726 km (1,072 mi) single track North–South Railway line running between Hanoi and Ho Chi Minh City; as of 2007, 85% of the network's passenger volume and 60% of its cargo volume is transported along this line. Besides this one, the system includes lines connecting Hanoi to the People's Republic of China, to surrounding cities such as Thái Nguyên, Hai Phong and Hạ Long.