5月5日在达拉斯地区快速运输线的知更鸟站发生的事故中20人受伤。据报道，自动扶梯“加速”后紧急停止按钮按动导致扶梯上的人摔倒。这部自动扶梯已经被关闭检查。

DART ESCALATOR MALFUNCTION

　　A May 5 incident at the Dallas Area Rapid Transit’s (DART) Mockingbird station left as many as 20 people injured. Reportedly, the escalator “sped up,” and the riders fell down when the emergency-stop button was pressed. The escalator has been shut down for inspection.