West Coast Peninsular Malaysia have good train coverage especially in Klang Valley. There are 2 main operator which is Keretapi Tanah Melayu (KTM) and Sabah State Railway (SSR). Other services mainly in Klang Valley operated by RapidKL and ERL.
KERETAPI TANAH MELAYU (KTM)
KTM is the main rail operator in Peninsular Malaysia. The total length of KTM network is 1,677 km. 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. The branch lines between Batu Junction and Batu Caves Komuter station, and between Port Klang Junction and the Port Klang Komuter station.
For more KTM News: Berita Kereta Api Malaysia
The remainder of the West Coast main line from Gemas railway station to Woodlands Train Checkpoint in Singapore, as well as the entire East Coast Line from Gemas railway station to Tumpat railway station, is single track.
KTM ETS Services
ETS is an intercity electric train service operated by KTM using new completed West Coast double track electrification project between Gemas, Negeri Sembilan and Padang Besar, Perlis. This service connecting Kuala Lumpur to cities like Ipoh, Butterworth, Seremban and Alor Setar. For more information, please refer to KTM ETS website.
KTM Intercity Services
Intercity is also an intercity train service between cities in Malaysia. But, the train used for this service is run by diesel. This service is for when you are going south to Kluang, Johor Bahru or east to Kuala Lipis, Kota Bharu. For more information, please refer to KTM Intercity website.
SABAH STATE RAILWAY (SSR)
Sabah State Railway is a railway system and operator in the state of Sabah in Malaysia. It is the only rail transport system operating on the island of Borneo. The railway consists of a single 134 km line from Tanjung Aru, near Kota Kinabalu, to the town of Tenom, in the Interior Division. It is different to North Borneo Railway which is a historical tourist train operated by Sutera Harbour Resort. For more about SSR Service, please refer to SSR website.
These are website where you can get your ticket online :