Source: I’m working for a rental car company in Japan
Then you should know the posted speed limit is low for enforcement reasons. And yes, the Japanese government and society decided to have a fake speed limit and a real speed limit, rather than change the threshold at which speeding is a prosecutable crime.
The enforcement threshold is much lower in other countries, but the posted speed limit is more reasonable and matches a safe speed for driving.
The Japanese law doesn't allow criminal enforcement until 30km/h over the posted speed limit, so the posted speed limit is very slow but enforcement for 10km over is non-existent and limited for 20km over (you'll only get a ticket if you are unlucky).
There are many reasons for the gap between the posted limit and enforcement threshold in Japan, but the TL;DR is that the real-world speed that everyone drives at is generally 20km over the posted limit.
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Then you should know the posted speed limit is low for enforcement reasons. And yes, the Japanese government and society decided to have a fake speed limit and a real speed limit, rather than change the threshold at which speeding is a prosecutable crime.
I’m sorry, but I have no idea what you’re talking about.
The enforcement threshold is much lower in other countries, but the posted speed limit is more reasonable and matches a safe speed for driving.
The Japanese law doesn't allow criminal enforcement until 30km/h over the posted speed limit, so the posted speed limit is very slow but enforcement for 10km over is non-existent and limited for 20km over (you'll only get a ticket if you are unlucky).
There are many reasons for the gap between the posted limit and enforcement threshold in Japan, but the TL;DR is that the real-world speed that everyone drives at is generally 20km over the posted limit.