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VMT Estimation Associated with ITS Data and Maintenance of Loop Detectors.
| 题名： | VMT Estimation Associated with ITS Data and Maintenance of Loop Detectors. |
| 作者： | TENG, H.; WANG, N. |
| 关键词： | DETECTORS; TRAFFIC COUNTS; TRAFFIC FLOW; VEHICLE MILEAGE |
| 摘要： | Continuous or coverage count stations in the Highway Performance Monitoring System and the traffic count stations in a traffic control and management system coexist on some roadway segments and can be used together to derive vehicle mile traveled (VMT), an important measure of the utilization of highway systems by vehicles. This study focused on the comparison of the qualities of the data from these two systems and the identification of factors that influence the life duration of the loop detectors in these two systems. The data quality issue is investigated by identifying the probabilistic relationship between the accuracy of VMT estimation and the number of missing day data. Given a traffic count with certain number of missing day data, the relationship can be used to determine the probability that the traffic operation data based VMT is better than the coverage count based VMT. This relationship is incorporated into a procedure proposed in this study to calculate VMT for the whole area of the study area, the Virginia's Hampton Roads area. |
| 报告类型： | 科技报告 |
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