[1] The line is the world's longest heavy freight railway and is designed to facilitate the export of coal from Shanxi to overseas markets.
Bridges and tunnels account for 46.8% of the line's total length.
[4] The line provides central Shanxi with another rail outlet to the sea and can carry 200 million tons of freight per year.
[2] The lines required Y103.8 billion in investments and as of 2012, was jointly owned by China's railway ministry (34.29% of shares); the Shanxi Energy & Transport Investment Company, a company owned by the Shanxi Provincial Government (20%); Bank of China (14.45%); and local governments and other coal companies.
[2] On 18 March 2016, a passenger service was introduced on a section of the line.