North–South Expressway (NSE) Southern Route, Exit 1888 is the southern part of the North–South Expressway, which is the longest expressway in Malaysia. It is joined by the Exit 1888, and continues southward. The expressway is oriented in a north–south direction, traversing four states in Peninsular Malaysia; namely Selangor, Negeri Sembilan, Malacca and Johor.