section (): to (): to Branch from to (): Pingtung to Taitung Branches (): to (): to (): to Chengzhui line (): to (): to () : to (): to Other lines Keelung Harbour line () Hualien Harbour line () Taichung Harbour line () Kaohsiung Harbour line () Former Mountain line (): Sanyi to Houli. A former path of the Taichung line closed in 1998. Reopened in 2010 to steam trains on special occasions. has been declared a historical site. Planned Hengchun line (恆春線): Kaohsiung - Kenting Defunct Donggang line (東港線): Zhenan, Pingtung County – Donggang, Pingtung County. Passenger service discontinued in 1991, completely closed in 2002. Dongshi line (東勢線): Fengyuan, Taichung City to Dongshi, Taichung City. Passenger service discontinued in 1991. Transformed into a bike trail by the Taichung City government. Shengang line (神岡線): Tanzi, Taichung City to Daya, Taichung City. Service discontinued in 1999. Also transformed into a bike trail. Tamsui line (淡水線): to Tamsui, New Taipei City, closed in 1988 for metro construction. Replaced by of Taipei Metro on a similar route. Hsintien line (新店線): to Xindian, closed in 1965. Replaced by the Taipei Metro of Taipei Metro on a similar route. Linkou line (林口線): Taoyuan District to Linkou District, closed in 2012. Transformed into a bike trail. Xinbeitou branch line (新北投線): Beitou District (Beitou station to Xinbeitou station), closed in 1988 for metro construction. Replaced by the Xinbeitou branch line of the Taipei Metro. Songshan Airport line: Songshan station to Songshan Airport, closed in 1976. Hsinchu Airport line: Hsinchu station to Hsinchu Airport, closed in 1997 and converted to a road. Kaohsiung Port line: Kaohsiung station to Kaohsiung Port station, closed in 2018 and converted to the circular light rail line. Pingtung Airport Line: Pingtung station to Pingtung Airport, closed in 1997. Zhonghe line: Banqiao station to Zhonghe station, closed in 1990 for metro construction. Replaced by Taipei Metro of Taipei Metro. Sanzhangli branch line: Huashan station to Lianqin 44th Arsenal, closed in 1986. Services Regular services With the exception of the Ordinary services (see below), all trains are modern and air conditioned. Many of the Ordinary train carriages, on the other hand, are almost 40 to 50 years old. Limited services Diesel express: Only available on the Pingtung line. Fares are equal to regional express trains. Retired services Kuang-hua express () Operated using the DR2700 series from 1966 to 1979. It set the TRA's pre-electrification