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 (480 miles). 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.