Cross Dock operation an execution tactic to deliver cargoes with an aggregation-consolidation approach in such a way that the logistics system faces minimal inventory accumulation or lack of inventory execution. Accordingly in order to increase agility at the supply chain level, logistics engineers are designing and implementing cross docking at the supply chain level. Logistics executives are always striving to find solutions that improve speed and improve supply chain safety. Observing all of these indicators can provide a lean supply chain. Cross Dock as an intermediary warehouse can play an important and influential role in improving the flow of raw materials, products and logistics services. The main purpose of this paper is to present a mathematical model of a trailer scheduling approach with a stochastic planning approach to provide the optimal solution to reduce the expected total logistics operation time and thus reduce logistics costs. These start from the stage of receiving pallets (suppliers) from suppliers or warehouses of other logistics cluster sites at the supply chain level and, following internal logistics processes performed on inlet docks, by reloading in outlet docks. Dock will be completed to fulfill the orders of consumers of these consignments. The mathematical model used is integer programming and genetic algorithm and MATLAB software was used to analyze data.
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