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A yellow diamond carrying a single exclamation mark.
Also known as: Other danger Japan, General warning Japan
Warns of a hazard ahead that the schedule has no specific sign for, its nature given on a plate below.
Warns of a danger for which the schedule provides no specific sign.
Contexts: Road signage
Is the residual member of the warning family and is close to meaningless without the supplementary plate beneath it, which is where the actual hazard is named in words.
Contexts: Road signage
A square stood on one corner containing a thick upright stroke above a separate dot, the two together forming an exclamation mark.
The plate that carries this sign's actual content.