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Integrated Work-Zone Computer System For Capacity Estimation, Cost/Benefit Analysis, and Design Of Control.
| 题名： | Integrated Work-Zone Computer System For Capacity Estimation, Cost/Benefit Analysis, and Design Of Control. |
| 作者： | Chang, G. L.; Zou, N. |
| 关键词： | Access; Computerized Simulation; Construction Sites; Design Standards; Exits; Freeways; Headways; Highways; Maryland; Metering; Ramp Control; Ramps; Traffic Control; Traffic Safety; Traffic Volume; Tr |
| 摘要： | This project produced an integrated computer system that enables engineers at the Maryland State Highway Administration to analyze the impact of a work-zone operational plan and to estimate the resulting cost/benefit. The proposed system consists of an intelligent user-interface, an analytical computing module, a microscopic simulation model, and an output analysis module. Depending on the nature of a proposed work-zone plan, one can either perform the preliminary estimate with the embedded analytical module or conduct an in-depth cost-benefit analysis with its simulation model. To capture the unique behavioral patterns of local drivers in response to perceived work-zone operations, this study conducted a series of field observations on car-following, lane-changing, and headway distributions among vehicles approaching lane-closure locations, and applied all field-observed information in calibrating key model parameters. This is to ensure that all analysis results produced from the proposed work-zone analysis program accurately reflect the actual benefits, costs, and resulting traffic impacts on Marylands highway. |
| 报告类型： | 科技报告 |
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