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. / Supplementary Notes: See also PB2007-106710 and PB2003-101573. Pub. in Research Results Digest, Number 297, May 2005. Prepared in cooperation with National Inst. of Standards and Technology, Gaithersburg, MD. Sponsored by American Association of State Highway and Transportation Officials, Washington, DC. and Federal Highway Administration, Washington, DC. / Availability Note: Product reproduced from digital image. Order this product from NTIS by: phone at 1-800-553-NTIS (U.S. customers); (703)605-6000 (other countries); fax at (703)605-6900; and email at orders@ntis.gov. NTIS is located at 5285 Port Royal Road, Springfield, VA, 22161, USA. |