The Minatomirai 21 Line (みなとみらい21線 Minato-mirai-21-sen), commonly known as the Minatomirai Line (みなとみらい線 Minatomirai-sen), is a subway line in Yokohama, Japan that runs from Yokohama Station to Motomachi-Chūkagai Station through the Minatomirai 21 business district. The line opened in 2004 and is operated by the Yokohama Minatomirai Railway Company. Maps and station numbering use navy blue and the route symbol MM to identify the line. The entire line is underground and goes under the Minato Mirai and Kannai districts, as well as numerous islands made of soft reclaimed land and channels, requiring stations to be constructed deep underground. The original above-ground section of the Tōkyū Tōyoko Line between Yokohama and Sakuragichō stations was abandoned and replaced with a new underground connector line to allow through services onto the newly completed Minatomirai Line. More information...
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