What does the yellow filled marking mean?

[NatalieFitz]

Yellow filled markings represent obstacle proximity markings, indicating the presence of immovable obstacles near the markings, requiring careful driving. Double yellow lines serve as warning and caution lines, prohibiting boundary crossing, with a crossed obstacle symbol in the middle indicating immovability. Therefore, the meaning of yellow filled markings on the road is to indicate proximity to obstacles. Road traffic markings can be categorized into four types based on their form: 1. Lines: solid or dashed lines marked on the road surface, curbstones, or vertical surfaces; 2. Character markings: text, numbers, and various graphic symbols marked on the road surface; 3. Raised pavement markers: protruding marker blocks fixed on the road surface that serve as markings, used on highways or other roads to mark centerlines, lane dividers, edge lines, as well as curves, entrance/exit ramps, channelizing markings, road narrowing, and road obstacles; 4. Delineators: indicating the direction of the road and the boundaries of the travel lanes, continuously and symmetrically placed along the left and right sides of the road in the direction of travel.