July 12, 1928: The shared track of 1.856 km between Kuzuha Station and Hashimoto Station became an exclusive track for the line, following the improvement of National Route 1.
1928年（昭和3年）7月12日樟葉～橋本間の併用軌道1.856kmを国道1号線改良工事に伴い専用軌道化。