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Creating a new Chugoku Region through the promotion of exchanges and cooperation
The CRDB is engaged in construction, improvement, and management of national roads, which are essential to the promotion of closer cooperation between regions and efficient physical distribution. It also supports subordinate projects under the jurisdiction of local authorities and conducts technical reviews.
High-standard trunk road (expressway) network in the Chugoku region
The Chugoku region is equipped with a fine expressway and freeway network, ensuring high-speed transportation and promoting physical distribution, industries, and exchanges.
Relationship between physical distance and travel time
It takes about 4.5 hours to travel between Okayama and Yamaguchi in the Sanyo region, while it takes about 8 hours to travel between Tottori and　Yamaguchi in the Sanin region.
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