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Incident Management Assistance Patrols: Assessment of Investment Benefits and Costs.
| 题名： | Incident Management Assistance Patrols: Assessment of Investment Benefits and Costs. |
| 作者： | khattak, a. rouphail, n. |
| 关键词： | traffic management,accident prevention,traffic delay minimization,traffic impedance,emergency road services,incident management assistance patrols(imaps) |
| 摘要： | Incident Management Assistance Patrols (IMAPs), classified as part of Intelligent Transportation Systems, help enable smooth traffic flow by aiding stranded motorists and assisting in incident clearance. Many major urban areas currently have patrols and most medium-sized urban areas are following suit. The success of IMAPs has resulted in frequent requests for service expansion. The decision of where to put the next patrol is becoming more difficult because an assessment of greatest need typically indicates that the high-priority areas already have the service and possible effects of the service are often indistinguishable on lower-priority facilities. In this report, we develop a new approach that helps determine the most beneficial locations in North Carolina for patrol deployment using expanded placement criteria. Analysis of three incident/crash indices was combined with spatial analysis, incident type distributions, average hourly freeway traffic volumes, and incident delay estimations to identify, evaluate, and compare IMAP expansion candidate facilities. Results of the research have been incorporated into a decision-support tool that allows easy planning and operational assessment of candidate sites by comparing performance values between sites, modeling the effect of IMAPs, and estimating their key potential benefits and costs. / NOTE:Final rept. July 2002-December 2003. |
| 报告类型： | 科技报告 |
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