Japan has its own shapes for some traffic signs but perhaps not for long

Japanese officials are considering changing the shape of their traffic signs to better match the design of signs elsewhere in the world:

Japan is considering a revamp of its stop signs to suit easily confused tourists, The Japan Times reported recently. Japan’s current signs are fun and different, but they’re also red triangles that look suspiciously like the yield signs in the U.S. and other nations…

The stop-sign makeover would not come cheap. The government estimates the bill for replacing every sign in Japan with a more “global” design would total 25 billion yen, or $214 million.

The triangular stop signs are one of the last vestiges of unique Japanese signage. In 2013, Tokyo began to switch from signs using “romaji”—English transliterations of Japanese words—to signs with straight-up English translations. The Geospatial Information Authority of Japan announced earlier this month that it would change the symbols on foreign maps to reflect representations used throughout the globe: an envelope for a post office, a stick figure in a bed for hotel, and a peaked white box with a cross in the middle for a hospital, among others.

Japan has historically gone against convention when it comes to signage. It’s not among the 64 countries party to the United Nations 1968 Convention on Road Signs and Signals, which lays out global rules on, well, traffic signs. According to the guidelines, a “stop” sign is either circular, “with a white or yellow ground and a red border,” or octagonal, “with a red ground bearing the word ‘STOP’ in white in English or in the language of the State concerned.”

I suppose I shouldn’t be surprised but I am still fascinated: there are international conventions on road signs? Given the importance of driving around the world, this makes sense but it seems to be an odd signal of globalization: the exchange of goods and information is aided by the infrastructure of common road signs.

The only thing that might make this story even more fascinating would be some data on the consequences of having different road signs in Japan. How many accidents has this caused? Have their been prominent cases where tourists misinterpreted the signs?

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