They are operated by a consortium of thirty travel agencies, called the "Round-the-Island Rail Travel Joint Venture Center," who lease the trains from the TRA. Executive director Tien Chih-cheng says that average loadings in non-peak periods are 70 % for the Hot Springs Princess and 50 % for the Kenting Star.
執行長田治成表示，目前離、尖峰平均起來，「溫泉公主號」有六成的載客率，「墾丁之星號」則有五成。