The HSL-Zuid (Dutch: Hogesnelheidslijn Zuid, English: South high-speed line), is a 125 kilometre-long (78 mile) Dutch high-speed rail line running between the Amsterdam metropolitan area and the Belgian border, with a branch to Breda, North Brabant. Together with the Belgian HSL 4 it forms the Schiphol–Antwerp high-speed railway. Originally scheduled to be in service by 2007, the first public operations began on 7 September 2009, after a ceremony on 6 September.
