^"京成電鉄、新京成電鉄を吸収合併へ2025年4月 現在の路線・駅は維持する方針" [Keisei Electric Railway will absorb the Shin-Keisei Electric Railway in April 2025; Plans made to maintain current routes and stations]. Chiba Nippo (in Japanese). 31 October 2023. Archived from the original on 31 October 2023. Retrieved 31 October 2023.
^"新京成電鉄、解散・消滅へ - 京成電鉄が吸収合併、2025年実施予定" [Shin-Keisei Electric Railway to dissolve and disappear - Keisei Electric Railway will absorb the railway in the merger, scheduled to take place in 2025]. MyNavi Corporation (in Japanese). 31 October 2023. Archived from the original on 31 October 2023. Retrieved 31 October 2023.
^千葉県統計年鑑(平成30年) [Chiba Prefecture Statistics (Fiscal 2017)] (in Japanese). Japan: Chiba Prefecture. 2018. Retrieved 11 August 2020.