"相鉄・東急直通線 開業日に関するお知らせ" [Notice regarding opening date of Sotetsu/Tokyu direct line] (PDF). sotetsu.co.jp (in Japanese). 16 December 2022. Archived(PDF) from the original on 16 December 2022. Retrieved 26 January 2024.
web.archive.org
"相鉄・東急直通線 開業日に関するお知らせ" [Notice regarding opening date of Sotetsu/Tokyu direct line] (PDF). sotetsu.co.jp (in Japanese). 16 December 2022. Archived(PDF) from the original on 16 December 2022. Retrieved 26 January 2024.