It takes long time and huge amount of money to construct inter-city railway network. Careful demand forecasting and rational service planning are therefore required. However, long ranged demand forecasting is always facing to unintended change of regional population or change of the service...

Inter-city distribution network structure is considered as one of which determine the quantity of economic activities in each city. In the field of operations research, several types of optimal facility location problem and algorithms for them have been proposed. Such problems typically minimize...

Multimodal policy between railway and airlines is of importance in providing seamless transportation service to inter-regional passengers. However, it is difficult to make coordination among the railway and airline service suppliers, especially when they are fiercely competing for the share in...

In 1990's, Japan?s domestic transportation and telecommunication service had been improved, and concurrently the knowledge-intensive business, which requires the intensive communication, becomes much important in economic activities. Improvement in communication technology would influence in two...