Mugi Line 571D 1554+1251+1556 between Awa-Nakashima and Anan 2012/8/19
Kotoku Line 972D 1554+1555 between Yoshinari and Shozui 2018/5/10
Kotoku Line 4954D 1554 between Shozui and Ikenotani 2021/7/10
Kotoku Line 4332D 1554 at Tokushima 2021/7/10