: These are painted at intersections to prevent "gridlock." Drivers must not enter the box unless their exit is clear, even if the traffic light is green. Material Specifications (Standard 1.46 Context)
Yellow lines are primarily used to separate traffic moving in . YELLOW ROAD MARKINGS 1.46
: 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. : These are painted at intersections to prevent "gridlock
: These signify that passing is permitted in either direction, provided it is safe to do so. In some jurisdictions, a specific 3:1 segment-to-space ratio is used for these markings. YELLOW ROAD MARKINGS 1.46