Until completion of the bridges, the region was isolated from the rest of Japan, and the freer movement between Honshu and Shikoku was expected to promote economic development on both sides of the bridges, which has not materialized yet.
The region was isolated from the rest of Japan. This was until completion of the bridges. The freer movement between Honshu and Shikoku was expected to promote economic development on both sides of the bridges. This was until completion of the bridges. The bridges has not materialized yet.