TRB’s National Cooperative Highway Research Program (NCHRP) Research Results Digest 297: New Facility for Calibrating Retroreflectometers announces the results of NCHRP Project 05-16 (National Calibration Facility for Retroreflective Traffic Control Materials), which developed dedicated reference instrumentation to provide national calibration standards for retroreflectivity, thereby improving the accuracy of measurements made by other instruments.
National Academies of Sciences, Engineering, and Medicine. 2005. New Facility for Calibrating Retroreflectometers. Washington, DC: The National Academies Press. https://doi.org/10.17226/23311.
Chapters | skim | |
---|---|---|
Report Contents | 1-4 |
The Chapter Skim search tool presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter. You may select key terms to highlight them within pages of each chapter.