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Portable Real-Time Traffic Control System for Freeway Work Zones; Final rept
| 题名： | Portable Real-Time Traffic Control System for Freeway Work Zones; Final rept |
| 作者： | Pant, P. |
| 关键词： | Traffic control devices; Construction sites; Travel time; Real time operations; Changeable message; Traffic delay minimization; Traffic flow; Automation; Traffic information signs; Information systems; Software engineering; Field tests; Traffic data analysis; Ohio; Traffic disturbances |
| 摘要： | The Travel Time Prediction System (TIPS) is a portable, real-time, automated system that calculates travel times between different points in advance of and within a freeway work zone and displays them to motorists on changeable message signs. It collects real-time traffic flow data at 30 sec intervals using several non-contact sensors, transmits the data by wireless communication to an on-site personal computer, processes the data with a specially-developed intelligent software to obtain the estimated travel time, and transmits the travel time information by wireless communication to changeable message signs positioned at pre-determined locations along the freeway section, which in turn display the information to the motorists. TIPS integrates several off-the-shelf equipment with the software and requires minimal human supervision during operation. |
| 总页数： | 80p |
| 报告类型： | 科技报告 |
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