New timetables for the Hudson, Harlem and New Haven line Metro North trains will go into effect Sunday. Metro North announced that some adjustments will allow infrastructure work to continue on the rails while some recently-completed track work will return trains to their normal schedules. On the Hudson line, weekday trains departing form Croton-Harmon at 5:15 a.m., 5:40 a.m., 6:37 a.m.