Simulation Modeling and Analysis
Simulation Modeling and Analysis
Supply chain applications II: development of a high-level supply chain simulation model
Proceedings of the 33nd conference on Winter simulation
An object-oriented framework for simulating full truckload transportation networks
Proceedings of the 39th conference on Winter simulation: 40 years! The best is yet to come
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2004 brought a landmark event in the changes to regulations governing hours of service for truck drivers. This paper describes an effort utilizing modeling and simulation for evaluating the impact of the new 2004 Hours of Service (HOS) rules in scheduling and dispatching one of the largest random over-the-road (OTR) trucking fleets in North America. The model was comprehensive and enterprise-wide in nature, modeling unique order-to-delivery process characteristics for over 120,000 freight lanes and the continuous nature of the driver's work day. Model results provided quantification of the 2004 HOS impact on fleet utilization, cycle times and customer service. Results of the model were used to guide company strategy related to drivers, customers and operations. With five months of actual business performance collected regarding the new HOS in 2004, a post-mortem analysis has provided insight regarding the quality of simulation model forecasts done in 2003.