The North–South Expressway is a network of tolled controlled-access highways running through the west coast of Peninsular Malaysia. The expressway network consists of the northern route and southern route, having a total length of 772 kilometres. Running through seven states and connecting the Thailand and Singapore borders, the North–South Expressway is an important thoroughfare for local, interstate and international traffic. The expressway is part of route AH2, a designation of the Asian Highway Network.

The North–South Expressway Southern Route North–South Expressway Southern Route is an interstate controlled-access highway running parallel to the southwestern coast of Peninsular Malaysia. The expressway forms the south section of the North–South Expressway, connecting the states of Selangor, Negeri Sembilan, Malacca and Johor. It begins at Seri Kembangan, near the state/territory boundary between Selangor and Kuala Lumpur, and travels southwards to end at Pandan-Tebrau in Johor.