The Jiji Line () is a
branch line
A branch line is a phrase used in railway terminology to denote a secondary railway line which branches off a more important through route, usually a main line. A very short branch line may be called a spur line.
Industrial spur
An industr ...
of the
Taiwan Railways Administration
Taiwan Railways Administration (TRA) is a railway operator in Taiwan. It is an agency of the Ministry of Transportation and Communications, responsible for managing, maintaining, and running conventional passenger and freight railway services ...
, located in
Changhua and
Nantou Counties in
Taiwan
Taiwan, officially the Republic of China (ROC), is a country in East Asia, at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the northe ...
. The length of the line is 29.7 km.
History
The line was originally built by
Taipower in 1922 to facilitate the construction of
Mingtan Pumped Storage Hydro Power Plant in
Sun Moon Lake. Afterwards, the
colony government purchased the route in 1927.
The line was severely damaged in the
1999 Chi-Chi earthquake
The Chi-Chi earthquake (later also known as the Jiji earthquake) (), also known as the great earthquake of September 21 (), was a 7.3 ML or 7.7 Mw earthquake which occurred in Jiji (Chi-Chi), Nantou County, Taiwan on Tuesday, 21 Se ...
on 21 September 1999, but was repaired and resumed operations in February 2002.
In March 2010 service on the line was suspended in order for work to be performed on seven railway tunnels between Zhuoshui Station and Checheng Station. The maintenance repaired damage that the tunnels had sustained during the 1999 earthquake and expanded the tunnels' width. The line reopened on July 9, 2011.
Operation

On Jiji Line, there are twelve runs daily in each direction, with seven eastbound runs starting at
Ershui Station and ending at
Checheng Station, while two eastbound runs begin at