Metrolink Antelope Valley Line To Partially Close On Weekends Throughout July, August Parts of the Metrolink Antelope Valley Line are scheduled to be closed on select weekends through July and August, resulting in delays. The section of the Antelope Valley Line which runs between Lancaster and Newhall is set to be closed for maintenance during those weekends, with a slower alternate bus service provided to commuters with Metrolink tickets at no additional charge. On the weekends of July 17 and 18, July 24 and 25, Aug. 7 and 8, Aug. 21 and 22 and Aug. 28 and 29, the Antelope Valley Line is planned to only operate between Newhall and Los Angeles.