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LONG TERM PAVEMENT PERFORMANCE PROGRAM PROTOCOL FOR CALIBRATING TRAFFIC DATA COLLECTION EQUIPMENT.
| 题名： | LONG TERM PAVEMENT PERFORMANCE PROGRAM PROTOCOL FOR CALIBRATING TRAFFIC DATA COLLECTION EQUIPMENT. |
| 作者： | Hallenbeck-Mark |
| 关键词： | Automatic-vehicle-classification; Calibration-; Data-collection; Equipment-; Long-Term-Pavement-Performance-LTPP-program; Monitoring-; Pavement-performance; Quality-control; Traffic-data; Traffic-surveillance; Weigh-in-motion |
| 摘要： | This document describes the procedures that the Long Term Pavement Performance (LTPP) program recommends for ensuring that traffic data collection equipment used for LTPP traffic monitoring efforts operates correctly and collects valid data. Recommendations are made for the following subject areas: steps for checking equipment calibration, quality control steps to be taken in the field, quality control steps to be taken in the office. The LTPP program acknowledges that weigh-in-motion (WIM) and automatic vehicle classification (AVC) are not mature technologies. As such, participating agency and site-specific conditions may legitimately warrant the use of procedures other than those presented in this document. In addition, LTPP recognizes that participating agencies use a variety of types of traffic data collection equipment and have different levels of available labor. Consequently, different participating agencies may prefer to use different methods for checking calibration and performing quality assurance on their data. As a result, while LTPP strongly recommends the use of the following procedures, agencies may request permission to substitute alternative, equivalent procedures. |
| 总页数： | 1998/05/10. pp16 (1 Fig., 1 Tab.) |
| 报告类型： | 科技报告 |
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