Island Line

An MTR line that originates from its terminus at Kennedy Town and ends at its other terminus at Chai Wan.

History:
1985 - Island Line from Admiralty to Chai Wan is built, where Admiralty and Central are interchange stations with Tsuen Wan Line.
1986 - Island Line is extended west to Sheung Wan via Central.
1989 - Kwun Tong Line is extended across Victoria Harbour to Quarry Bay station.
2001 - Kwun Tong Line is further extended to North Point to relieve the congestion in Quarry Bay.
2002 - Tseung Kwan O Line takes over the section of Kwun Tong Line from North Point to just south of Lam Tin. The interchange stations remain in place.
2014 - Island Line is extended west to Kennedy Town, with a new station HKU.
2015 - Sai Ying Pun station is added later between HKU and Sheung Wan due to a construction delay.