The West Coast main line is double tracked .
The West Coast main line is double electrified to 25 kV AC between Padang Besar railway station on the Malaysian - Thai border and Butterworth railway station , and south - wards to the Gemas railway station .
The West Coast main line is double tracked and electrified to 25 kV AC between Padang Besar railway station on the Malaysian - Thai border and Butterworth railway station , and south - wards to the Gemas railway station .