March 8, 1998: A connection was established to the Maizuru Expressway (the present Maizuru Wakasa Expressway) through the opening of the Ayabe Junction - Maizuru-oe Interchange (temporary two-lane, two-way traffic).
1998年3月8日：綾部JCT～舞鶴大江IC開通により舞鶴自動車道（現：舞鶴若狭自動車道）と接続（暫定2車線の対面通行）。