No, leaving a car running unattended is illegal under Japan’s Road Traffic Act (第71条第5号) due to theft and accident risks. Police may issue fines up to ¥20,000 (2024 amendments) or impound vehicles. Local ordinances in Tokyo and Osaka impose stricter penalties, including community service.
Key Regulations for Leaving Your Car Running Unattended in Japan
- Road Traffic Act (道路交通法) §71(5): Prohibits leaving engines running when the driver is absent, with exceptions for traffic congestion or engine warming (max 5 minutes in residential zones).
- Local Ordinances: Tokyo Metropolitan Police enforce “No Idling” rules (e.g., Chiyoda Ward fines ¥10,000 for violations). Osaka’s 2023 ordinance mandates engine shutdown in school zones.
- 2026 Compliance Shift: National Police Agency plans to expand automated license plate readers to detect idling violations, increasing enforcement in urban areas.
Violations are treated as minor offenses under the Penal Code (軽犯罪法), but repeat offenders face escalated penalties. Exceptions apply during natural disasters or official duties, requiring documented justification. Always check municipal guidelines, as rural prefectures enforce rules more leniently.