I thought this was interesting with some good advice for those thinking of moving here & agree that Sydney is not the best place for getting around in public transport to all parts of greater Sydney, but governments are trying (very trying sometimes) to address or at least promise to address the lack of rail services in some areas. The Blue Mountains rail line generally only has trains running one an hour to Sydney, except for peak times & the last train for the Mountains leaves Central Station at 18 minutes past midnight. You don't want to miss that one because it is several hours later for the next one.

Anyhow, just for record here is Central Station Country Platforms in this thread looking rather quite (late morning).

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