: 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.
: High-traffic areas require durable materials such as thermoplastic or cold plastic paints. The selection depends on the surface type (asphalt vs. concrete) and expected traffic volume. 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. : These signify that passing is permitted in
: 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 ROAD MARKINGS 1.46