 A year later the line was extended to Mikunichō (now ), and through service began on the Kyōto Dentō Echizen Main Line to Fukui Station.The line became a part of Keifuku Electric Railway in 1942.Two accidents in 2000 and 2001 on the Echizen Main Line forced Keifuku to cease operation on both it and the Mikuni Awara Line in 2001.