As the result of the division and privatization of JNR, JR Central became the operator of the Nagoya-Kameyama section (59.9km), and JR West became the operator of the Kameyama-Minatomachi section (115.2km) as well as the Yao-Ryuge Signal Station-Sugimotocho section (11.3km).
国鉄分割民営化により、名古屋-亀山間(59.9km)を東海旅客鉄道が、亀山-湊町間(115.2km)、八尾-竜華信号場-杉本町間(11.3km)を西日本旅客鉄道が承継。