: All yellow pavement markings must be reflectorized using glass beads . These beads are either pre-mixed into the paint or dropped onto the surface during application to ensure nighttime visibility through retroreflection.
Yellow lines are primarily used to separate traffic moving in .
Deep technical content for "1.46" road markings often involves the chemical and physical properties required for durability and visibility:
: Yellow markings must conform to standard highway color specifications (often defined by CIE chromaticity coordinates) to ensure they remain distinguishable from white markings under all lighting conditions. Specialized Yellow Markings STANDARD SPECIFICATIONS - Caltrans