"駅ナンバリング(駅番号制)の導入について" [About the introduction of station numbering (station numbering system)]. subway.city.fukuoka.lg.jp (in Japanese). 10 October 2011. Archived from the original on 19 January 2012. Retrieved 12 January 2022.
"七隈線延伸工事に係る道路陥没事故報告 福岡市交通局 （報告資料）" [Report of Road Collapse Accident Related to Nanakuma Line Extension Work Fukuoka City Transportation Bureau (Report Material)] (PDF). subway.city.fukuoka.lg.jp (in Japanese). 12 May 2017. Archived(PDF) from the original on 28 February 2020. Retrieved 12 January 2022.
"福岡市地下鉄事業概要 令和2年" [Fukuoka City Subway Business Overview 2019] (PDF). city.fukuoka.lg.jp (in Japanese). 2019. Retrieved 12 January 2022.
"３号線 愛称は「七隈線」 福岡市営地下鉄" [Line 3 Nicknamed "Nanakuma Line" Fukuoka Municipal Subway]. nishinippon.co.jp (in Japanese). 21 June 2006. Archived from the original on 18 November 2005. Retrieved 12 January 2022.
"福岡市地下鉄，3月11日に七隈線でダイヤ改正を実施" [Fukuoka Subway Nanakuma Line Prepares for a Timetable Revision Scheduled for 11 March]. Japan Railfan Magazine Online (in Japanese). 5 February 2023. Archived from the original on 5 February 2023. Retrieved 27 March 2023.
"福岡市交通局，七隈線延伸区間（天神南—博多間）の開業は2023年3月27日に" [Fukuoka City Transportation Bureau, Nanakuma Line extension section (Tenjin Minami - Hakata) will open on 27 March 2023]. Japan Railfan Magazine Online (in Japanese). 1 September 2022. Archived from the original on 3 September 2022. Retrieved 27 March 2023.
"福岡地下鉄七隈線「次の延伸」は福岡空港の国際線か 市長「総合的に検討」" [Mayor Considers Rail Extension to International Terminal at Fukuoka Airport]. news.railway-pressnet.com (in Japanese). 21 November 2022. Archived from the original on 21 November 2022. Retrieved 21 November 2022.
"駅ナンバリング(駅番号制)の導入について" [About the introduction of station numbering (station numbering system)]. subway.city.fukuoka.lg.jp (in Japanese). 10 October 2011. Archived from the original on 19 January 2012. Retrieved 12 January 2022.
"福岡市地下鉄，3月11日に七隈線でダイヤ改正を実施" [Fukuoka Subway Nanakuma Line Prepares for a Timetable Revision Scheduled for 11 March]. Japan Railfan Magazine Online (in Japanese). 5 February 2023. Archived from the original on 5 February 2023. Retrieved 27 March 2023.
"３号線 愛称は「七隈線」 福岡市営地下鉄" [Line 3 Nicknamed "Nanakuma Line" Fukuoka Municipal Subway]. nishinippon.co.jp (in Japanese). 21 June 2006. Archived from the original on 18 November 2005. Retrieved 12 January 2022.
"七隈線延伸工事に係る道路陥没事故報告 福岡市交通局 （報告資料）" [Report of Road Collapse Accident Related to Nanakuma Line Extension Work Fukuoka City Transportation Bureau (Report Material)] (PDF). subway.city.fukuoka.lg.jp (in Japanese). 12 May 2017. Archived(PDF) from the original on 28 February 2020. Retrieved 12 January 2022.
"福岡市交通局，七隈線延伸区間（天神南—博多間）の開業は2023年3月27日に" [Fukuoka City Transportation Bureau, Nanakuma Line extension section (Tenjin Minami - Hakata) will open on 27 March 2023]. Japan Railfan Magazine Online (in Japanese). 1 September 2022. Archived from the original on 3 September 2022. Retrieved 27 March 2023.
"地下鉄七隈線、福岡空港国際線へ延伸検討…高島市長：地域ニュース" [Nanakuma Line Extension to Fukuoka Airport Under Consideration: Mayor Takashima]. Yomiuri Shimbun Online (in Japanese). 21 November 2022. Archived from the original on 21 November 2022. Retrieved 21 November 2022.
"福岡地下鉄七隈線「次の延伸」は福岡空港の国際線か 市長「総合的に検討」" [Mayor Considers Rail Extension to International Terminal at Fukuoka Airport]. news.railway-pressnet.com (in Japanese). 21 November 2022. Archived from the original on 21 November 2022. Retrieved 21 November 2022.
"地下鉄七隈線、福岡空港国際線へ延伸検討…高島市長：地域ニュース" [Nanakuma Line Extension to Fukuoka Airport Under Consideration: Mayor Takashima]. Yomiuri Shimbun Online (in Japanese). 21 November 2022. Archived from the original on 21 November 2022. Retrieved 21 November 2022.
