Travel demand forecasting models: a comparison of EMME/2 and QUR II using a real-world network.
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2000-10-01
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Subject/TRT Terms:
- Computer models
- Computers
- Forecasting
- Networks
- Software
- Transportation planning
- Travel demand
- Urban transportation
- Comparison
- EMME/2 c
- modal choice
- models
- QRS II computer model
- traffic allocation
- traffic assignment
- traffic generation
- trip distribution models
- trip forecasting
- trip generation
- urban areas
- urban planning
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Abstract:In order to automate the travel demand forecasting process in urban transportation planning, a number of ; commercial computer based travel demand forecasting models have been developed, which have provided ; transportation planners with powerful and flexible tools in modeling a traffic network for planning or traffic ; impact studies. It is commonly recognized that none of the existing travel demand forecasting software is ; perfectly suited for all application network scenarios and traffic conditions. A particular model, which is ; strong in one application scenario, may be weak in a different application scenario. This report intends to ; present a comparative study of two widely used computer based travel demand forecasting models: QRS II ; vs. EMME/2. The comparative study is designed to identify main features and differences of the two models, ; with an attempt to provide some useful information to practitioners. The comparative description of basic ; features of two models in this report includes model structure, network development, data input, network ; modification, parameter calibration, and modeling output. In the comparison of advanced features, the ; calculate function in QRS II and macro language in EMME/2 are presented. A real-world small urban ; network, South Missouri City Network, is used to support the comparison effort. The study has found that ; both QRS II and EMME/2 models are reliable to model real-world networks. However, QRS II is relatively ; easy to use for inexperienced users because of its comprehensive default parameters, calculation formulas, ; procedures and the embedded four-step travel demand forecasting process. On the other hand, EMME/2 ; provides more powerful and flexible modules for users to perform more complex tasks.
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Main Document Checksum:urn:sha256:d3b815afcb1d3a07913e674c4c090f23cf53a79e386d8375615e489ca5c43d2d