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Site Traffic

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CLASS Site Traffic models the dynamic effects of vehicle movements around the site, arrival and departure patterns as well as vehicle queuing and waiting times. Using movement pathway technology, Site Traffic allows users to build an exact copy of their site quickly and then use this in the simulation to model the vehicle movements.

Sometimes the main warehouse infrastructure is designed well to cope with future demand but not enough consideration is given to the provision of trailer parking, internal roadways and vehicle bay congestion.


  • Delivers an exact model of the entire site, for use in scenario planning, including parking locations, vehicle movements, gatehouse procedures and other vehicle procedures.
  • Demonstrates that an effective yard operation is as important as an optimised warehouse capacity
  • Models congestion induced by hourly throughput variability both inside the site and on approach roads
  • Reduces bottlenecks associated with vehicle scheduling in and around the site
  • Significantly reduces downtime for both drivers and MHE
  • Identifies valuable space saving opportunities around the site
  • Ensures that the entire site becomes a well-synchronised component of your supply chain
Site Traffic Trucks


  • ‘What-if?’ Wizard enables vehicle arrival and departure patterns in the yard to be synchronised to best support warehouse operations
  • Traffic Logic Builder models the decision making process of scheduling vehicles onto a dock, based on the products carried and their destination in the warehouse. Vehicle activity can be accurately modelled to parking area sizes, road ways, entry and exit gates, and thereby determine the optimal site traffic plan
  • Site Traffic Layout supports physical objects including: road networks, parking positions, re-fuelling and wash stations. These can be included in the model to understand their position in relation to one another and the effect each component has on the overall flow of traffic in the yard
  • Data files of inbound and outbound vehicle activity can be exported from the yard management system into CLASS, which then creates arrival and departure time profiles based on historic vehicle arrivals. The phasing of activity ensures that movements are as evenly spread across the day as possible
  • Trailers, tractors and shunters can be modelled so the required levels of each can be determined to meet the order profiles