ASTM D6628-01

1.1 This specification covers the daytime and nighttime color of retroreflective pavement marking materials used for traffic control lane markings and symbols on road surfaces. It is intended to apply throughout the service life of the material.

1.2 This specification applies to both painted and tape lines, including thermoplastic, epoxy and other types.

1.3 This specification is not applicable to the testing, for quality control purposes, of marking material without added drop-on beads.

1.4 In addition, it does not describe requirements other than color such as retroreflectance.