1) GTFS (General Transit Feed Specification) is an open data format for public transportation schedules and maps that has become a global standard.
2) In 2014, Japan lacked open transit data in the GTFS format despite many transit apps, but worked to establish a system for commercial sharing of train schedules.
3) In 2015, researchers published the first GTFS open data for minibuses in Japan, starting efforts to promote more open transit data nationwide.