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          | The construction of an overhead crossing at an intersection 
            aims to ease traffic congestion in an urban area. 
            However, traffic congestion tends to worsen during the 
            construction period that takes one to two years by a conventional 
            construction method. The people living in the 
            vicinity are forced to put up with the inconvenience. A 
            breakthrough technology has long been desired for overhead 
            crossing construction, which will quickly realize the 
            economic effect and lessen the burden on the environment 
            without bringing inconvenience to the neighborhood. 
            We have developed a construction method of an 
            overhead crossing called "SMArt Crossing" in cooperation 
            with Asanuma Corporation in order to solve the 
            potential problems involved in conventional construction. The features of the new construction method are:
 1) A right turn lane is secured to avoid traffic congestion 
            during a construction period.
 2) The construction period is reduced to four months.
 3) The construction of an overhead crossing at an intersection 
            is implemented overnight.
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