[2] The first public trains on the line started operating September 1, 2015.

[4] The project was a joint venture project between the former Chinese Ministry of Railways and the Liaoning Provincial Government, jointly investing a total of 26.88 billion yuan, consisting of 24.88 billion yuan for rail construction and rolling stock acquisition costing 2 billion yuan.

[7] The route crosses several environmentally sensitive areas, such as the Shenyang Sujiatun District, Ma'er Mountain Biodiversity for afforestation, the Benxi Ring National Forest Park, Benxi National Geopark, Damingshan fissure ancient volcanic nature reserve, Dandong Tongyuanpu pine biomes natural five key areas of protected areas.

Environmental protection is an essential and demanding part of the overall project.

The longest tunnel being Nanfen, 7,349 metres (24,111 ft) long.