The name of the station comes from King Taejo of Goryeo, who was victorious in battles with Later Baekje, and felt relieved when he went to the location "Ansim".

[1] Approximately 1 mile (1.6 km) east of Ansim station trains resurface into Ansim Depot, an outdoor storage depot and maintenance yard.

The depot is on Daerim-ro and visible from southside of Gyeongbu Expressway.

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