XCMG Construction Machinery Co., Ltd. deployed its unmanned road construction fleet to complete the spreading and maintenance of the Suzhou Road segment of the Nanjing-Shanghai Expressway, the busiest highway in China. As the largest scale unmanned road construction fleet in the world, its successful application as an integrated set solution is a event of milestone significance in the development of intelligent highway maintenance and construction globally. The Nanjing-Shanghai Expressway is one of the highest-class highways in China and a golden passage in the Yangtze River Delta. XCMG's unmanned fleet consisted of 10 tandem road rollers and two large-width pavers, all under the unified command of the BeiDou satellite positioning reference station. Supported by technologies including the highly precise BeiDou positioning, inertial navigation and obstacle recognition, the fleet completed the scheduled tasks including driving, steering and rolling compaction.