Japan Travel Fixes
What traffic laws apply when riding a bicycle?
Bicycles count as light vehicles under Japan's Road Traffic Act — drunk riding, using your phone while riding, and running red lights are all punishable, same as for cars. A 2023 law revision made helmet use a "best effort" obligation for all cyclists (no penalty for skipping it, but injuries tend to be more serious without one).
Renting a bicycle or e-assist bike for sightseeing is increasingly common — but a 2024 law revision specifically added penalties for riding a bicycle while intoxicated.
Whether you can ride on the sidewalk depends on posted signage; riding on the road is the default rule.
Electric kick-scooters have rules that vary by top speed and model — whether you need a license or a registered plate — so always check the rental provider's guidance before you ride.