Perak. This followed the completion of electrification works on that stretch. The route has been modified multiple times since. Today, there are two lines, namely from Padang Besar to Butterworth and from Bukit Mertajam to Padang Rengas. Bukit Mertajam is the only interchange station between the two lines. Southern Sector (discontinued) The KTM Komuter Southern Sector (Malay: KTM Komuter Sektor Selatan) operated from Seremban to Gemas following the completion of electrification works on that stretch. This was the second KTM Komuter service outside the Klang Valley after the northern counterpart. The Gemas and Batang Melaka stops were removed starting 20 June 2016 with the train running between Seremban and Pulau Sebang/Tampin. Subsequently, the shuttle service was terminated on 11 July 2016 when it was absorbed into the Seremban Line. History The service started on 12 August 1995 from Kuala Lumpur to Rawang, on what was the original Seremban Line. The line was extended to Salak Selatan on 29 September 1995. Operations between Sentul and Shah Alam began on 28 August 1995, on what was the original Port Klang Line. This line was extended to Klang on 29 September 1995. The Seremban Line was extended to Kajang on 20 November 1995 and to Seremban itself on 18 December 1995. This would form the Komuter network for more than a decade. In the early 2000s, more stations were added along the existing route. KL Sentral was added on 16 April 2001 and served as the new transport hub of Kuala Lumpur. Mid Valley station was added on 23 August 2004, serving the surrounding Mid Valley Megamall. Kepong Sentral was added on 1 July 2006. The Seremban-KL Sentral express service was introduced on 9 December 2004 The service was discontinued later before being reintroduced again on 25 July 2018. These services run only during the rush hour. The route was expanded for the first time since 1995 when train services on the Seremban Line were extended to Rasa in 2007. Initially, KTM Komuter services to the new stations north of Rawang was run as a shuttle service. The route was extended to Kuala Kubu Bharu in January 2008, and finally to Tanjung Malim on 1 June 2009. The Rawang-Tanjung Malim shuttle service was absorbed into the main Port Klang Line on 11 July 2016. Women-only coaches were introduced on 28 April 2010. The Port Klang Line was extended to Batu Caves on 29