| December 25, 1950: The work to relocate a part of the track between Otani and Kamisekidera was completed, and the platform for inbound trains at Kamisekidera Station was improved to a high-floor platform. |
1950年（昭和25年）12月25日 - 大谷～上関寺間の軌道の一部移設工事を完了し、上関寺駅上り線ホームを高床ホームに変更。 |