LRT-1 MONUMENTO STATION🇵🇭🇵🇭🇵🇭 The Light Rail Transit Line 1, commonly referred to as LRT Line 1 or LRT-1, is a light rapid transit system line in Metro Manila, Philippines, operated by Light Rail Manila Corporation (LRMC) and owned by the Light Rail Transit Authority (LRTA) as part of the Manila Light Rail Transit System. Originally referred to as Metrorail and the Yellow Line, LRT Line 1 was reclassified to be the Green Line in 2012. It travels in a general north–south direction from Bacl