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A small white plate beneath a sign.
Also known as: Supplementary plate Japan, Sign qualifier plate Japan
Qualifies the Japanese sign above it, stating the hours, the vehicles, the distance or the direction it applies to.
States the conditions under which the sign above it applies.
Contexts: Road signage
Carries so much of the schedule's actual content that several signs are close to meaningless without it — the general warning names no hazard, the parking prohibition states no hours, and the vehicle prohibitions name no class. The plate is where a Japanese sign says the part that varies.
Contexts: Road signage
A small wide rectangle fixed immediately below a sign, carrying a short line of written characters or numerals across it.
The sign that depends on this plate most completely.