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Evaluation of Safety and Operational Effectiveness of Dynamic Lane Merge System in Florida

机译：佛罗里达动态车道合并系统的安全性和作战效能评估

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The Florida Department of Transportation (FDOT) addressed their interest in incorporating and testing an ITS-based lane management system into their existing Maintenance Of Traffic (MOT) plans for short term movable work zones (e.g. milling and resurfacing jobs). Two forms of lane merging namely the early merge and the late merge were designed to advise drivers on definite merging locations. Previous dynamic lane merging systems comprise several Portable Changeable Message Signs (or other forms of dynamic message signs) and traffic sensors. The addition of multiple PCMSs to the current FDOT MOT plans may encumber the latter. Mover, previously deployed DLM systems (dynamic early merge systems and dynamic late merge system) may require relatively extensive equipment installation and relocation which could be inefficient for short term movable work zones (moving on average every 7 to 10 hours). Therefore, two Simplified Dynamic Lane Merging Systems (SDLMS) are suggested for deployment and testing on short term work zones. The first SDLMS is a simplified dynamic early merge system (early SDLMS) and the second SDLMS is a simplified dynamic late merge system (late SDLMS). The following chapters elaborate further on the two suggested forms of the SDLMS. The study aims at comparing the effectiveness of both forms of SDLMS to the conventional MOT plans deployed by FDOT.

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