Abstract
Completion of the road network is an important project against future large-scale disaster. However, it takes a long time to complete all the projects in the local areas because the progress of the project is slow. Thus, it is necessary to preferentially construct roads with high disaster prevention effect. This study examines the priority of road project plan. Proposed model can detect the patterns of road projects that maximize the accessibility of emergent road-recovery pair after a disaster, and shown it to be the pattern of prioritized road project. The pattern is shown by project progress rate.
As a result of applying the proposed model to the Shikoku road network project called “Shikoku 8 network”, it revealed that consecutive road projects that can greatly improve the accessibility of whole road network should be constructed preferentially from the initial stage of the project progress rate.
