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The Significance of the 730 Intersection in Ishigaki Island’s History

Ishigaki Island, located in Okinawa Prefecture, Japan, is a paradise known for its turquoise waters, coral reefs, and lush tropical landscapes. However, the island is also home to a landmark that holds historical and cultural significance: the 730 Intersection. This central crossroads in Ishigaki City is not just a physical junction but a symbol of a pivotal moment in the island’s history. Its name, derived from the date July 30, 1978 (7/30), marks a transformative event in Ishigaki’s transportation and societal development.

The Transition from Left-Side to Right-Side Driving

The name "730 Intersection" commemorates the day Okinawa, including Ishigaki Island, transitioned from driving on the right side of the road to the left. This change was mandated to align Okinawa's road system with the rest of Japan, which historically drives on the left. Before 1978, Okinawa operated under the right-side driving system established during the post-World War II American occupation. The “730 Change,” as it is often referred to, was a monumental logistical undertaking, requiring months of planning and cooperation between local authorities, businesses, and residents.

The transition's success relied on meticulous preparation. Traffic signs were replaced, road markings repainted, and extensive public awareness campaigns conducted. On July 30, 1978, all traffic on Ishigaki Island came to a standstill for several hours as the switchover was implemented. When vehicles resumed their journeys, they did so on the left side of the road, marking a seamless integration into Japan’s national transportation system. The 730 Intersection, being one of the busiest points on the island, became the symbolic center of this historic shift.