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Sydney’s metro network would be extended in five areas, and more heavy rail lines converted, under a range of projects the NSW Coalition is considering committing to before the next state election. NSW Liberal Leader Mark Speakman has given his clearest indication yet of where a future Coalition government would invest in public transport infrastructure, identifying five “candidates” for further metro lines in western Sydney. However, he has been coy about how the expensive projects would be funded and said the party would examine “a whole variety” of options. Four proposed metro extensions are additions to the Western Sydney Airport line, which will link St Marys to Bradfield via the new airport when it opens in 2027. Options for the southern end of the line include extensions to Leppington and, separately, to Macarthur. To the north, the party is considering a connection from St Marys to Tallawong, the terminus of the north-west metro line. The current government has already begun business cases for these extensions.