Thetransportationplan,译中Thetransportationplan,whichwasreleasedinthreephases,callsfora30PercentreductioninvehicletrafficbythestartoftheGames

问题：Thetransportationplan,译中Thetransportationplan,whichwasreleasedinthreephases,callsfora30PercentreductioninvehicletrafficbythestartoftheGames

答案：↓↓↓

李超群的回答：

网友采纳　　交通规划分三个阶段实施,要求在运动会开始时,机动车交通量要下降30%.