It is one of the new electric trains for the regional service called "ROCK" consisting of 4 elements with double-decker carriages, gradually replacing similar rolling stock currently in circulation. This train is produced by Hitachi Rail Italy in the Pistoia plant also in the ETR-521 / ETR-621 versions with 5 and 6 elements respectively, in the photo the train coming from Parma and bound for Rimini.