Tokyo conducted a large-scale highway test aimed at easing traffic on Wednesday, exactly a year before the start of the Tokyo Olympics, as it seeks to ensure smooth passage of vehicles during the quadrennial sporting event.While the Metropolitan Expressway flowed more smoothly than usual due to restricted inflows, traffic jams emerged on the Tomei and Tohoku expressways, and a number of vehicles were seen making a turnaround before closed gates.Experts believe that without countermeasures, traffic congestion on expressways would double during the 2020 Olympics between July 24 and Aug. 9, fo…READ FULL ARTICLE