The West Coast railway line runs from Padang Besar railway station close to the Malaysia–Thailand border in Perlis to Woodlands Train Checkpoint in Singapore. It is called the West Coast railway line because it serves the West Coast states of Peninsular Malaysia.

The Padang Besar railway station is a railway station located at and named after the border town of Padang Besar, Perlis in Malaysia. It is the northernmost station of the west coast line where the line connects to the State Railway of Thailand's rail network via its Southern Line.