Tōkaidō (東海道) (literally, East Sea Route) may refer to:Tōkaidō (region), an ancient country subdivision of JapanTōkaidō (road), one of the Five Routes of Japan during the Edo periodRoute 1 (Japan), a major national highway in Japan that traces old Tōkaidō highwayRoute 15 (Japan), a major national highway in Japan that traces a part of old Tōkaidō highway
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