Metro’s Platform Improvement Project is moving to the western side of the Orange Line next summer with plans to rebuild the deteriorating platforms at Vienna, Dunn Loring, West Falls Church, and East Falls Church stations and advance major infrastructure work along the 7-mile rail segment. While full service information will be announced in March, Metro is advising customers today that three stations will be closed between Memorial Day and Labor Day 2020: Vienna Dunn Loring East Falls Church West Falls…