Unpiloted vehicles will be employed to facilitate passenger transportation in the automatic transportation system of the third terminal building, which is under construction right now.

• 首都机场扩建工程3号航站楼的旅客捷运系统，是连通多楼的全自动旅客运输系统，旅客可免费乘坐无人驾驶“小火车”转机，十分便利。