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A red-ringed disc carrying an underlined speed figure.
Also known as: Minimum speed Japan
Sets the minimum speed on a Japanese expressway, distinguished from the maximum by an underline.
Sets the minimum permitted speed in kilometres per hour.
Contexts: Road signage
Is distinguished from the maximum-speed sign by an underline and by nothing else, a difference small enough that the schedule confines the sign to expressways where a driver has reason to expect it.
Contexts: Road signage
A disc with a thick contrasting ring around a pale field carrying numerals across its centre with a straight stroke ruled beneath them.
The ceiling to this sign's floor.