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APPLICATION OF SIMULTANEOUS AND SEQUENTIAL TRANSPORTATION NETWORK EQUILIBRIUM MODELS TO RIYADH, SAUDI ARABIA
| 题名： | APPLICATION OF SIMULTANEOUS AND SEQUENTIAL TRANSPORTATION NETWORK EQUILIBRIUM MODELS TO RIYADH, SAUDI ARABIA |
| 作者： | Hasan-MK; Al-Gadhi, SAH |
| 关键词： | Transportation; Networks; Sequential analysis; Analysis; Concurrent engineering; Alternatives analysis; Traffic flow; Forecasting Transportation networks; Equilibrium models; Simultaneous analysis; Comparisons; Riyadh (Saudi arabia); Predictions |
| 摘要： | The approach used in practice to predict short-run transport equilibria involves a sequential process, often with four stages: trip generation, trip distribution, modal split, and traffic assignment. This approach has an inherent weakness - its prediction need not be internally consistent. This deficiency has motivated attempts to predict all four stages simultaneously. The (conventional) sequential and simultaneous models are compared by calibrating and applying both models to the urban transportation network of Riyadh, Saudi Arabia. The main finding is that the simultaneous model produces better traffic flow predictions than the conventional sequential model. These predictions are much better for the heavy volume links that are the most important links in the prediction process. |
| 总页数： | Transportation Research Record.1998. pp 127-132 (FIGS: 2 Fig. TABS: 3 Tab. REFS: 22 Ref.) |
| 报告类型： | 科技报告 |
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