Many people say Japan has too many traffic signals.
So if you drive 500 kilometers through the Japanese megalopolis from Osaka to Tokyo via Nagoya, how many times will we stop at a red light?

Rule:
The route indicated by yahoo navi shall be considered as "general route between Osaka and Tokyo".
The route indicated by yahoo navi is considered the "general route between Osaka and Tokyo".
Count 1 if you stop completely at a red light.
Stopping to wait for a right turn is not counted.
Pauses and pedestrian crossings are not counted.
Red lights immediately after returning to the main route from a rest facility or convenience store are not counted.

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