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Advanced Development and Calibration of the Network Robustness Index to Identify Critical Road Network Links.
| 题名： | Advanced Development and Calibration of the Network Robustness Index to Identify Critical Road Network Links. |
| 关键词： | calibration；development；network；robust；advanced；critic；index；ident；link；distribution |
| 摘要： | In this research project, transportation flexibility and reliability concepts are extended and applied to a new method for identifying the most critical links in a road network. Current transportation management practices typically utilize localized level-of-service (LOS) measures such as the volume-to- capacity ratio (V/C) (Bremmer et al. 2004, Dheenadayalu et al. 2004). The solution to congestion planning problems is often to simply add more capacity along existing highway segments. This is a purely localized solution. The localized V/C approach does not necessarily allow planners to identify the most critical highway segments or corridors in terms of maximizing system-wide travel-time benefits, or to assess the robustness of a network. For system-wide objectives, there is a need for coincident consideration of the spatial distribution of traffic demand, the network topology and the network capacity. |
| 报告类型： | 科技报告 |
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