With nearly seventy arteries and branches, Northeast China s railway network is well established. Chinese railways are standard gauge. The total length of Northeast China s railways is 16,000 km. At 12.5 km per thousand square km, density is twice the national average. However most of the railways in Northeast China need to be upgraded.
Supplementary infrastructure is very poor.
Railways in DPRK have a relatively high density and are electrified, but efficiency is low due to the shortage of rolling stock, electricity and other necessary facilities. DPRK railway lines are standard gauge. The line is electrified. From there it continues for 9 km to Tumangang at the Russian border. The line is single track and fully electrified.