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LINK FLOW EVALUATION USING LOOP DETECTOR DATA: TRAVELER RESPONSE TO VARIABLE-MESSAGE SIGNS.
| 题名： | LINK FLOW EVALUATION USING LOOP DETECTOR DATA: TRAVELER RESPONSE TO VARIABLE-MESSAGE SIGNS. |
| 作者： | Yim-Y; Ygnace-J-L |
| 关键词： | VARIABLE-MESSAGE-SIGNS; PARIS-FRANCE; ADVANCED-TRAVELER-INFORMATION-SYSTEMS; TRAFFIC-MANAGEMENT; EFFECTIVENESS-; REAL-TIME; TRAFFIC-INFORMATION-SYSTEMS; LINK-FLOW; TIME-SERIES; TRAFFIC-DATA-ANALYSIS; FLOW-RATE; DRIVERS-VEHICLE; DECISION-MAKING; ROUTE-CHOICE; TRAFFIC-CONGESTION; QUEUE-LENGTH |
| 摘要： | Systeme d'Information Routiere Intelligible aux Usagers (SIRIUS) is the largest urban field operational test of the advanced traveler information and automated traffic management system in Europe. With variable-message signs, SIRIUS has been in operation in the Paris region for 3 years. A preliminary investigation of the effectiveness of the SIRIUS system in traffic management is presented. The extent to which drivers respond to real-time traffic information and the consequential changes in link flow under SIRIUS is also presented. Time-series traffic data were analyzed to measure changes in mean flow rates at a selected link. It was found that variable-message signs influence drivers to choose less congested routes when drivers are provided with real-time traffic information, and that a driver's decision to divert is closely associated with the information pertaining to the level of congestion. In the Paris region, drivers received information on the length of the queue at the time of this study. As congestion becomes heavier, drivers are more likely to respond to variable-message signs. According to the data analysis, a queue length of 3 km seems to be a threshold at which a significant number of drivers choose to use an alternative route. |
| 总页数： | Transportation Research Record. 1996. (1550) pp58-64 (6 Fig., 1 Tab., 3 Ref.) |
| 报告类型： | 科技报告 |
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