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Related, but but limited to Japan, in many countries including Japan, France, Korea, and perhaps other countries, the topology of high speed rail networks are in the form of hub-and-spoke star-shaped one, which mean most if not all high speed lines are originating from a single point that is usually the capital.
Then, what about the effect of such network on travel between different cities radially spread from the capital? In some cases the speed is indeed faster via the high speed line even with detour via the country's capital, but the time gain would be rather limited, and because ticket price are counted by distance travelled so travellers would have to pay even more hikes in ticket price than other high speed rail travellers. And then with cut in regular rail service after opening of high speed line, it seems like high speed lines are making trains becoming less attractive in these route pairs and causing passengers to be attracted by competitors like bus or even planes. How can the situation be improved?
