What is the maximum speed limit for trucks over 5 tons and motorcycles under 125cc?

The correct answer indicates that the maximum speed limit for trucks over 5 tons and motorcycles under 125cc is set at 60 km/h. This limit is part of Japan's regulations concerning different categories of vehicles, which are designed to enhance road safety and ensure that vehicles of varying sizes and weights adhere to specific speed restrictions.

The specification for trucks over 5 tons reflects the need for safety, as larger vehicles require longer stopping distances and can pose greater risks if they travel at higher speeds. Similarly, motorcycles under 125cc are also subject to this limit, which assists in maintaining control and stability at lower speeds, particularly when navigating through traffic or in urban areas.

This regulation helps promote safe driving practices by providing clear and enforceable limits based on vehicle characteristics, aligning with Japan's broader strategies for road safety. Understanding these distinctions is vital for both residents and visitors in Japan, particularly those who are operating vehicles.

In contrast, higher limits for other types of vehicles take into account their capabilities and the role they play in traffic dynamics.