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Feasibility Assessment of ITS Deployment Analysis System (IDAS) for ITS Evaluation. Final research rept.
| 题名： | Feasibility Assessment of ITS Deployment Analysis System (IDAS) for ITS Evaluation. Final research rept. |
| 作者： | Yun-I.; Park-B. |
| 关键词： | *Transportation-planning; *Deployment-; *Feasibility-studies.;Surveys-; Evaluation-; Networks-; Metropolitan-areas; Urban-areas; Rural-areas; Cost-benefit-analysis; Travel-time; Computerized-simulation; Virginia-; Case-studies. |
| 摘要： | This study investigated the feasibility of utilizing the ITS Deployment Analysis System (IDAS) program version 2.2 as a tool for evaluating ITS deployment plans. Firstly, an online survey was conducted among MPO staff in the U.S. in order to understand the usage and the issues in the IDAS for the ITS deployment plan evaluation. Secondly, case studies were carried out to examine the benefits of deploying several popular ITS options. The survey results indicated that the usage of the IDAS program was somewhat limited among MPOs. The survey results also indicated that the most desired updates in the IDAS program were (2) elaborating ITS impact methodologies, (2) upgrading default values in the cost and benefit modules and (3) incorporating emission factors based on MOBILE 6. The case studies of Hampton Roads area and a simple network with six popular ITS options identified the following three issues: (1) overestimation of ITS option benefits when the benefits are estimated from travel time savings, (2) incorrect interpolation on travel time reliability rates for non-integer V/C ratios, and (3) insensitive cost savings for combined ITS options. |
| 报告类型： | 科技报告 |
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