The nickname "Yumesaki Line" was determined in a public poll upon the opening of USJ and the Universal City station.

In addition to trains that operate only on the Sakurajima Line itself, there are also direct services from Tennōji, Kyōbashi, and Osaka stations that alternate during non-peak times.

[2] This was to improve access to the World Trade Center (WTC) in Suminoe-ku, to which the governor considered moving the prefectural government offices.

Traveling from Osaka Station to the WTC requires at least 30 minutes, and this inconvenience is considered a major obstacle to any move.

Although the prefecture is willing to foot at least part of the estimated construction cost of 100 billion yen, there has been no discussion yet of the effect on travel patterns with existing transit agencies/companies.