Traffic authorities in Japan face criticism after an intersection without a right-turn signal caused incidents, particularly when traffic from the opposing lane is heavy. Despite the regular traffic flow, drivers relying on conventional signals face difficulties while maneuvering turns. This unresolved traffic issue is increasingly becoming a subject of concern, questioning the safety of residents and efficient functioning of the country's road system.

Traffic safety and regulations are critical aspects of Japanese society. Roads and traffic systems boast high standards of safety and are often lauded for their efficiency. Issues like this spark immediate public interest as they not only pose risks to individual safety but also test societal values of responsibility, diligence, and respect for the law.

In the United States and European Union, traffic signal implementations are subject to detailed studies including traffic volumes, speeds, and collision history. If a problem like this emerged, it would typically prompt an immediate traffic engineering study and possible signal modification to address the issue.