Japan’s New 30 km/h Speed Limit: Which Residential Roads Does It Apply To?
Living in Japan outside central Tokyo, I drive almost every day. Going to the supermarket, visiting a clinic, or running a few errands usually means getting in the car. Many of the roads I use are narrow residential streets. Until recently, the thing I watched for most carefully was the Japanese 止まれ (tomare / stop) sign, especially on small neighborhood roads where intersections can appear suddenly. But since September 2026, there is another rule drivers in Japan need to know. From September 1, 2026 , the statutory speed limit on certain ordinary roads, including many roads commonly used by local residents, was lowered from 60 km/h to 30 km/h . So, are all residential streets in Japan now limited to 30 km/h? No. A road does not automatically become a 30 km/h road just because it is in a residential area. A simple way to think about the new rule is: A speed-limit sign or road marking is present: follow the designated speed. No designated speed, and no center line or traffic lanes...