Metro North West, Castle Hill, New South Wales 2154

Castle Hill is an underground rapid transitstation being built by the Northwest Rapid Transit (NRT) consortium at Old Castle Hill Road, Castle Hill, in Sydney, Australia. The station, located opposite the Castle Towers shopping centre, is being built as part of Transport for New South Wales's Sydney Metro Northwest project, to serve future train services to Rouse Hill and Chatswood. The station is planned to eventually serve trains to the Sydney central business district, Bankstownand Hurstville as part of the government's 20-year Sydney's Rail Future strategy.^[2][3]

The NSW Government announced a future railway line from Epping to Castle Hill as part of its Action for Public Transport strategy in 1998.^[4] In the years that followed, Castle Hill Station formed part of successive north-western rail proposals, including the Metropolitan Rail Expansion Plan in 2005 and a short-lived metro proposal in 2008.^[5]