"Transportation Department plans to disavow 10 locations from California to Florida that on President Barack Obama's last day in office were designated as federally recognized automated vehicle proving grounds." “交通部计划取消从加利福尼亚到佛罗里达的10个地点,在奥巴马总统最后一天任职时,这些地点被指定为联邦认可的自动车辆试验场。” http://www.kekenet.com/Article/201810/567133.shtml