The Seto Ohashi Bridge connecting Kagawa Prefecture and Okayama Prefecture is a combined bridge of road and railroad crossing the Seto Inland Sea for approximately 10 kilometers, opened on April 10, 1988, welcome.

On the 8th, a ceremony commemorating the 30th anniversary of opening was held in the parking area located in Kosaka-shi Sakaide-shi, Kagawa Prefecture where a bridge is built, about 550 people, including local residents and stakeholders in Kagawa and Okayama prefectures I attended.

In Governor Okayama Prefecture Governor Iharaoki said, "The Seto Ohashi bridge is an important foundation indispensable for society, economic activities and the creation of new tourist routes."
Governor Hamada of Kagawa Prefecture highly appreciated the utility brought by the bridge, "It has contributed greatly to the development of China and Shikoku Region as an important transportation base connecting Shikoku and Honshu."

The Seto Ohashi bridge was built using the latest technology at the time, and it is one of the largest in the world with the combined use of road and railroad bridges.
The number of automobiles using bridges has been updated for the third consecutive year to about 8.22 million in FY2007.
With this, the traffic volume of the bridge from the opening to the end of last month is about 170 million units, and the Seto Ohashi bridge has caused a big change in Shikoku's economy etc. in the last 30 years, such as expansion of exchange population and activation of logistics It was.