sentences:  After the end of World War II, JGR became the Japanese National Railways (JNR).On June 16, 1945, Musashi-Kosugi Station on the Toyoko Line opened, and on March 31, 1953 Kōgyōtoshi Station was abolished.On November 27, 1988, Grade separation work removed the level crossings on Tachikawa-bound tracks, and by December 20, 1988, grade separation work removed the level crossings on Kawasaki-bound tracks.