High Quality Content by WIKIPEDIA articles! UPM Interchange is a major interchange of the North-South Expressway Southern Route and also Sungai Besi Expressway in Malaysia. It was a pioneer interchange of the Kuala Lumpur-Seremban Expressway connecting Kuala Lumpur to Seremban. This interchange is located near Universiti Putra Malaysia (UPM). North-South Expressway (NSE) Southern Route, E2 AH2 is the southern route of the North-South Expressway, which is the longest expressway in Malaysia. It is connected by the E1, and continues on down south. The expressway is roughly oriented in a north-south direction traversing four states in Peninsular Malaysia; namely Selangor, Negeri Sembilan, Malacca and Johor.