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Table 4 Overview of the contents of the base and development plans of A-Route and B-Route expressways, Source: [29]
From: Japan’s transport planning at national level, natural disasters, and their interplays
Type of plan | A-routes | B-Routes |
|---|---|---|
Base Plan | Origin and end of the route; | Name of the route; |
Intermediate points en route; | ||
Basic technical design (number of lanes, speed); | Origin, end and approximate length en route; | |
Locations of interchanges; | Major intermediate points; | |
Implementation body | Technical standard (lanes, speed) | |
Development plan | Municipalities along the route; | Name of the route; |
Technical design in detail (number of lanes, speed); | Origin, end and approximate length; | |
Locations of interchanges; | Municipalities en route; | |
Approximate envisaged construction costs; | Technical design in detail (lanes, speed, width, etc.); | |
Other minor points to be pointed out. | Locations of interchanges; | |
Approximate envisaged construction costs. |