 Under the KTM Komuter, KTM operates commuter rail services along double-track and electrified portions of the West Coast Line between Tanjung Malim in Perak and Pulau Sebang in Negeri Sembilan, and between Padang Besar in Perlis and Padang Rengas in Perak, as well as the Butterworth, Port Klang and Batu Caves branch lines.Besides its own network, KTM also operates trains on the Kerteh-Kuantan railway under contract with Petronas, the owner of the line.The Sabah State Railway, previously the North Borneo Railway, is the only state department in Malaysia to operate a railway service.