题名: | New Facility for Calibrating Retroreflectometers. |
关键词: | *Reflectivity-; *Measuring-instruments; *Pavement-markings.;Traffic-control-devices; Vehicular-traffic-control; Calibration-; Portable-equipment; Pavement-signs; Facilities-. |
摘要: | This digest announces the results of NCHRP Project 05-16, National Calibration Facility for Retroreflective Traffic Control Materials. The research team (composed of C. Cameron Miller, Todd Heimer, and Edward Early, National Institute of Standards and Technology) established a center for the calibration of portable retroreflectometers used for measuring the retroreflectivity of pavement markings and signs. |
报告类型: | 科技报告 |