sentences:  Although rapid operations had not been carried out for more than 40 years since the line's 1972 opening, it became clear that the bureau was considering the introduction of rapid services from 2014.Rapid services began operating on July 18, 2015.During the daytime, there are two trains that direct the Shonandai station-Azamino station between 30 minutes, Odoriba Station-Azamino station and the Shonandai station-Nippa station, each of which is operated by one.