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A yellow diamond carrying a car over a rippled surface.
Also known as: Uneven road Japan, Bumpy road sign Japan
Warns that the surface ahead is uneven, rippled or broken.
Warns of an uneven or broken road surface ahead.
Contexts: Road signage
Uses the kanji compound 凹凸, two characters whose own shapes are a hollow and a bump, so the Japanese name of the sign is itself a small picture of what the sign warns about.
Contexts: Road signage
A square stood on one corner containing a car in side view riding over a line that rises and falls in two humps beneath it.