From the start of the new timetable on 5 March 2011, there are three services in each direction daily, stopping at the following stations.
The entire fleet was in service by the start of the revised timetable on 16 March 2013.
Seven sets were delivered for the start of the revised timetable from 17 March 2012.
These entered service from the start of the revised timetable on 17 March 2012.
It entered service from the start of the revised timetable on 16 March 2013.
These changes were implemented with the start of the new timetable on 13 December 2009.
The first 221 series trains were introduced from the start of the revised timetable in March 1989.
The trains entered service from the start of the revised timetable on 27 December 2008.
The service was discontinued from the start of the revised timetable on 1 March 2005.
The two 7th-batch cars, 1566 and 1567, entered service from the start of the revised timetable on 16 March 2013.