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A blue plate carrying a long white arrow.
Also known as: One way Japan
Marks a Japanese road on which traffic may travel in one direction only.
Permits travel in the direction of the arrow only.
Contexts: Road signage
Is paired at the other end of the same street with the no-entry disc, and the two together are how a one-way system is signed: the arrow tells a driver already in the street which way to go, and the disc stops one entering the wrong end.
Contexts: Road signage
A wide rectangle in a solid tone carrying a single long arrow in a contrasting tone running the length of the plate.
The sign that closes the far end of the same one-way street.