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In May 2020, the Shuto Expressway Company received approval for plans to relocate 1.8 kilometers of the expressway underground between Kandabashi and Edobashi Junctions, in the area where the Nihonbashi Bridge is located. Construction will commence with the permanent closure of the Edobashi and Gofukubashi entrance and exit ramps on 10 May 2021. Construction is expected to be completed in fiscal year 2040.