Through rail changing on UP & DN line between Station KMUK-KKVS (Km 16/18 to Km 25/11) on UP line at Km 18/16-19/0, km 19/8-19/15, km 21/1-22/6, Km 22/15-22/19 and Km 24/6-24/17 and on DN line at Km 18/16-19/0, Km 21/1-21/5, and Km 21/9-21/17 for S