The 2020 Tokyo Olympics is expected to cause serious congestion at railway stations in the metropolitan area during morning rush hours, a Japanese researcher has warned.Hub stations and those near game venues will be overcrowded unless Olympic-goers are diverted to less busy stations or measures are taken to have commuters avoid peak hours, Azuma Taguchi, a professor of traffic networks at the Faculty of Science and Engineering at Chuo University, pointed out in a recent study."There will be a need to promote staggered work hours or guide spectators to stations a little further from game ve…READ FULL ARTICLE