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Traffic Data Collection Methodologies.
| 题名： | Traffic Data Collection Methodologies. |
| 作者： | FRENCH, J.; FRENCH, M. |
| 关键词： | FIELD TESTS; TRAFFC DATA COLLECTION; TRAFFIC COUNTERS |
| 摘要： | The focus of this research was to field-test portable and permanently-installed non-intrusive traffic data collection equipment. Four sites were selected in the Uniontown, Pennsylvania area. The primary objective of the site selection was to provide a cross-section of roadside environments of equipment setup. A secondary objective was to select sites near in-pavement traffic counting stations operated by PennDOT. PennDot operates in-pavement counting stations that are both short-term (STIP) and permanent (ATR). The testing was conducted over a two day period. The equipment was set up at each site by the vendor representatives. Vendors were given approximately two hours to set up, and data collection at each site was four hours duration. In short, data collection determined that acoustic sensors might be most appropriate in areas where an overhead sensor is needed but the right-of-way is limited and overhead utilities are not an issue. Microwave sensors might be most appropriate in areas where the right-of-way is not an issue and it is desired to move the sensors as far as possible from the traveling lanes. The TIRTL might be most appropriate in instances where truck classification is important and roadway geometry allows the device to be set up to manufacture specifications. |
| 报告类型： | 科技报告 |
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