sentences:  Similar to the Metropolis counterparts operating on Singapore's North East and Circle lines, the trains ends offer passengers an unblocked view of the tracks ahead.They do however have full driving facilities located behind a locked cabinet, for use in case of emergency or when the automatic drive is not adequate.19 6-car sets were initially ordered, with a further 2 sets delivered for the extension of Line 14 from Madeleine to Saint-Lazare.