toll systems & fares > closed and open systems 

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Closed and Open Systems

Closed toll systems

Closed toll systems require expressway users to pay toll charges based on the distance traveled and the class of vehicle used. Drivers collect a transit ticket at the toll plaza upon entering the expressway. The ticket, which is surrendered at the exit toll plaza, is used to calculate the amount of toll payable based on the distance between the point of entry and exit. Closed toll systems are well suited to inter-urban highways on which long distance traffic volumes are high. About 786 km of the North-South Expressway, including the 35 km stretch of the New Klang Valley Expressway, are operated on a closed toll system for this reason.
 

Open toll systems

Open toll systems require expressway users to pay a fixed toll charge at the toll plaza based on the class of vehicle used. The user is free to exit the expressway at any junction or to continue on to the next toll plaza or toll collection point. Semi urban highways with numerous junctions or intersections serving short distance trips usually employ an open toll system. On the North-South Expressway, this system is used at the following locations :