As of 16 March 2013 , all services are operated by E657 series 10 - car EMUs , first introduced from March 2012 .
11 - car 651 series formations will be substituted on some services between 1 October 2013 and March 2015 .
As of 16 March 2013 , all services are operated by E657 series 10 - car EMUs , first introduced from March 2012 , although 11 - car 651 series formations will be substituted on some services between 1 October 2013 and March 2015 .