D6628 Standard Specification for Color of Pavement Marking Materials
D7942 Standard Specification for Thermoplastic Pavement Markings in Non Snow Plow Areas
D4061 Test Method for Retroreflectance of Horizontal Coatings
D6359 Specification for Minimum Retroreflectance of Newly Applied Pavement Marking Using Portable Hand-Operated Instruments
E284 Terminology of Appearance
E808 Practice for Describing Retroreflection
E1710 Test Method for Measurement of Retroreflective Pavement Marking Materials with CEN-Prescribed Geometry Using a Portable Retroreflectometer