 The name Serayu is derived from the Serayu River, which the train crosses twice on its journey.Initially called Sidareja at its inauguration in 1985, the morning train was later renamed to Cipuja, while its night train counterpart was named Citrajaya and the route was extended to and Jakarta.The train Galuh called at stations on this route which were skipped by both Cipuja and Citrajaya.