The Nishi-Nagoyakō Line opened on 1 June 1950 as a freight branch of the Tokaido Main Line between and operated by Japanese National Railways (JNR). Nagoya Freight Terminal opened on 1 October 1980 as part of the initial construction of the Nanpō Freight Line, and with the closure of Sasashima Freight Terminal on 1 November 1986, Nagoya Freight Terminal became the starting point of the line. With the privatization and division of JNR on 1 April 1987, the line was transferred to Central Japan Railway Company (JR Central) as a "Class 1 railway operator" and JR Freight as a "Class 2 railway operator".
