The Gangbukhoengdan line (Korean: 강북횡단선; Hanja: 江北橫斷線) is a proposed light metro line scheduled to open in 2028, in Seoul, South Korea.

[1] In June 2024, the Ministry of Economy and Finance rejected the proposal on economic feasibility concerns due to high cost and low population density along the line.

[2] The names of the stations are not yet final.

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