April 16, 1993: Application for approval of modification of basic plan on electrification and speeding up of section between Miyazu and Amanohashidate, as well as modification of relevant railway facilities.
1993年（平成5年）4月16日-宮津～天橋立間鉄道電化・高速化事業の基本計画及び鉄道施設変更認可申請。