plaza has the second highest number of toll booths in Malaysia, thus making the stretch of highway at the Sungai Besi toll plaza the second widest road in Malaysia with more than 18 lanes (excluding additional toll booths) before Batu Kawan toll plaza at Sultan Abdul Halim Muadzam Shah Bridge (Penang Second Bridge) which has 28 lanes. The Pagoh–Yong Peng (North) section is the longest stretch of the North–South Expressway network. This 47-kilometre stretch passes Mount Maokil and the plains of Seri Medan and Sungai Sarang Buaya. Tolls Most of the expressway maintains a ticket system (closed system) of tolling. The expressway however also has one toll plaza using the barrier toll system (open system) at Kempas. The ticket system from Skudai northwards uses an integrated system of tolling that also applies to the North–South Expressway Central Link, New Klang Valley Expressway and North–South Expressway Northern Route (e.g. it is possible to travel from Skudai, Johor on this expressway to Juru, Penang on the North–South Expressway Northern Route without leaving the toll system). The toll rate for the ticket system for passenger cars excluding taxis as of 2011 is 13.6 sen per kilometre. Toll rates Closed toll systems Calculated below is maximum rate between Skudai and Sungai Besi, the furthest ends of this section closed system. Kempas Toll Plaza Services Emergency assistance and information services Orange emergency telephones/callboxes are located every two kilometres along the entire expressway, as with every other expressway in the PLUS expressway network. Alternatively, commuters may dial the toll-free number 1 800 88 0000 on their mobile phones. Both will connect to the PLUS traffic monitoring centre in Subang where commuters may request for traffic information or roadside assistance. The highway patrol and roadside assistance teams are known as PLUSRonda. They provide free first responder services including small fixes for broken down vehicles, towing and also act as traffic police when there is an incident. They are also given auxiliary police powers. PLUS also provides traffic information to commuters through variable-message signs located on some sections of the expressway, and on Twitter @plustrafik in Malay. Major radio stations in Peninsular Malaysia also broadcast traffic updates for the expressway. Rest areas The North–South Expressway southern route has 8 full rest areas (which includes one overhead bridge restaurant), 20 laybys and one vista point (scenic area) total along both directions of the expressway. Every rest area and layby