Vehicle restriction order
The Road Law and the Vehicle Restriction Ordinance stipulate the maximum size (the general limit value) of the size and weight of vehicles passing on the road in order to maintain the structure of the road and prevent traffic danger. Passing vehicles that exceed the general limits (vehicles that violate the Vehicle Restriction Ordinance) can cause serious damage to the road and serious consequences in the event of an accident.
| Vehicle specifications | General limits (highest limit) |
|---|---|
| width | 2.5 meters |
| length | 12 meters |
| height | 3.8 meters (4.1 meters for designated roads) * |
| Gross weight | 20 tons (25 tons on expressway national roads or designated roads) * |
| 軸重 | 10 tons |
| Minimum turning radius | 12 meters |
- * Details about height designated roads and weight designated roads
- * Some models have special weight and length rules.
- Special vehicles are required to pass vehicles that exceed the general limits of the Vehicle Restrictions Ordinance.
- 「特殊車両通行許可制度」について【国土交通省のWEBサイトへ移動します】
- 特殊車両通行許可オンライン申請開始のお知らせ（2022年4月1日から）【（独）日本高速道路保有・債務返済機構のWEBサイトへ移動します】
- Please note that when you pass on the road, you may need to apply for permission / application based on other laws and regulations as well as special vehicle traffic permission based on the Vehicle Restriction Order.
- * Regarding the increase in the permission limit for the width, which will be implemented from December 1, 2020
- * About the allowable limit of length
