trans_sys_chap15

trans_sys_chap15 - Introduction to Transportation Systems 1...

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Introduction to Transportation Systems 1
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PART II: FREIGHT TRANSPORTATION 2
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Chapter 15: Railroad Terminals: P-MAKE Analysis to Predict Network Performance 3
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Terminals ± Terminal performance is a major determinant of network performance. Terminal Performance Variability in Arrival of Incoming Trains Figure 15.1 4
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Terminal Performance: Another Look Performance lower performance “robust” plan higher “sensitive” plan performance Variability in Arrival of Incoming Trains Performance includes a measure of cost -- if one is measuring terminal performance not only on throughput of the terminal but also on the resources used -- robustness may involve a more conservative use of resources. It may involve having redundancy in the system. Figure 15.2 5
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LOS and Routing over the Rail Network ± Level-of-service in rail freight operations is a function of the number of intermediate terminals at which a particular shipment is handled. ± Empirical research shows the major
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trans_sys_chap15 - Introduction to Transportation Systems 1...

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