Editing Kaigan Line (section)

== History ==
Construction of the line began in 1994 but was interrupted by the [[Great Hanshin earthquake]] which hit [[Kobe]] in 1995.<ref name=":0">{{Cite magazine|date=27 February 2019|title=海岸線の歴史と建設工事|trans-title=Kaigan Line History and Construction Work|url=http://www.jametro.or.jp/upload/subway/xiweVWjeCWhF.pdf|magazine=SUBWAY|language=ja|publisher=Japan Subway Association|publication-place=Tokyo, Japan|issue=220|page=38|issn=0289-5668|archive-url=https://web.archive.org/web/20200614050702/http://www.jametro.or.jp/upload/subway/xiweVWjeCWhF.pdf|archive-date=14 June 2020|access-date=22 November 2022}}</ref> Despite the cross section of the tunnels being smaller compared to a conventional subway tunnel, there was still a substantial amount of construction happening at surface level.<ref name=":0" /> 

After being scheduled for a 1999 opening, revenue service began in 2001.<ref name=":1">{{Cite web |date=27 July 2021 |title=累積赤字１千億円超、地下鉄海岸線 開業２０年、一度も黒字なし 神戸の下町、活性化遠く |trans-title=Cumulative Deficit of the Kaigan Line reaches 100 Billion Yen 20 Years Since Opening |url=https://www.kobe-np.co.jp/news/sougou/202107/0014539374.shtml |archive-url=https://web.archive.org/web/20210728012918/https://www.kobe-np.co.jp/news/sougou/202107/0014539374.shtml |archive-date=28 July 2021 |access-date=23 November 2022 |website=Kobe Shimbun Online |language=Japanese}}</ref> 

Since opening, ridership numbers have stagnated. The projected ridership within 2001 was estimated to be 80,000 boardings, the actual boardings recorded were just over 34,000 in that year.<ref name=":1" /> The goal of 50,000 boardings by 2020 was also not achieved. As a result, the line has accumulated a deficit of over {{Yen|100 Billion}} over 20 years of operation as of 2021.<ref name=":1" />