Metro Manila has numerous train lines. The three trains, namely the LRT1 (Yellow Line), LRT2 (Purple Line), and MRT (Blue Line) are interconnected with one another though terminal stations and is located within Metro Manila.
Another train line is the PNR (Philippine National Railway). It is composed of 2 parts, the Northrail (Green Line) and the Southrail (Orange Line).
Metro Manila Railway System Map
(Photo taken from: http://www.urbanrail.net/)
The LRT otherwise known as the "Yellow Line" or "Line 1" is composed of 18 stations which are stretched across Taft Avenue and Rizal Avenue (C3)
The LRT-2 otherwise known as the "Purple Line" or "Line 2" is composed of 11 stations which are stretched across Aurora Boulevard.
The MRT otherwise known as the "Blue Line" or "Line 3" is composed of 13 stations which are stretched across EDSA. Its operating hours are from 5:00 AM - 1:00 AM during weekdays, and 5:30 AM - 10:30 PM during weekends.
The PNR Southrail otherwise known as the "Orange Line" is a train route passing by Metro Manila and some provinces down south such as: Laguna, Caivite, Quezon, Camarines Sur, and Albay.