ASTM E 2367 - 05 Standard Test Method for Measurement of Nighttime Chromaticity of Pavemen Marking Materials Using a Portable Retroreflection Colorimeter

American Society for Testing and Materials (ASTM). Current edition approved Jan. 1, 2005. Published February 2005. 4 p. This test method covers measurement of the nighttime chromaticity coordinates (x, y) of horizontal pavement markings, such as traffic stripes and surface symbols, using a portable retroreflection colorimeter that can be placed on the road delineation to measure the chromaticity at a prescribed geometry.