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North-South Line (KTM Intercity), the West Coast Line in Malaysia •
North–South Line (Singapore), MRT line in Singapore •
North–South Line (Jakarta MRT), in Indonesia •
North/South line (Amsterdam metro), in the Netherlands •
NS Line, in Portland, Oregon, U.S. •
South Line, Tasmania, sometimes the North–South Line, in Tasmania •
North–South Rail Link, in Boston, Massachusetts, U.S. •
North–South line (Saudi Arabia), in Saudi Arabia •
Sydney Metro Western Sydney Airport, Stage 1 of a proposed North South Rail Line, in Sydney, Australia •
North–South connection, in Brussels, Belgium •
North–South Junction, in Wellington, New Zealand •
Blue Line (Kolkata Metro) (also known as North–South Metro) in India •
Red Line (MARTA) (formerly North–South line) in Georgia, U.S. ==Namboku line==