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Measuring Intersection Performance from Bluetooth-Based Data Utilized for Travel Time Data Collection
| 题名： | Measuring Intersection Performance from Bluetooth-Based Data Utilized for Travel Time Data Collection |
| 正文语种： | 英文 |
| 作者： | Myongji Univ;Oregon State Univ |
| 作者单位： | SeJoon Park;Amirali Saeedi;David S.Kim;J.David Porter |
| 摘要： | Multiple applications of travel time data collection based on the reading of time-stamped media access control (MAC) addresses from Bluetooth-enabled devices have been reported in the literature, and commercial data collection units (DCUs) have been developed and deployed. One characteristic of Bluetooth-based travel time data obtained for travel time sample-generation purposes is that a MAC address is typically read multiple times as a vehicle containing the Bluetooth device travels within the length of road covered by the DCU's antenna. Such data records of the same MAC address will have different timestamps and received signal strength levels. If the DCUs are installed at arterial intersections to collect travel time samples, this characteristic of MAC address data collection may also be used as the basis for estimating intersection performance. In this research, the use of the time/duration information present in the MAC address data to estimate intersection performance measures is investigated. Estimates of average control delay and approach delay are computed for a real intersection and are shown to track well with intersection-to-intersection travel times. |
| 出版年： | 2016 |
| 期刊名称： | Journal of Transportation Engineering |
| 卷： | Vol.142 |
| 期： | No.5 |
| 页码： | 04016014 |
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