: 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 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 YELLOW ROAD MARKINGS 1.46
: These indicate two-way traffic where no passing or overtaking is permitted. Drivers must always keep to the right of these lines. : All yellow pavement markings must be reflectorized