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<p>A network of 17 autonomous buses started operating in a part of Chongqing in Southwest China on Thursday.</p><p>Within the operating area, the average vehicle speed on major roads increased by 11 percent, the travel time decreased by 17.4 percent, traffic congestion during peak hours decreased by 36 percent, and the efficiency of handling traffic alerts increased by 35 percent.</p><p><span style="color: rgb(127, 127, 127);">(Produced by Qiao Wai and Dong Feng)</span></p>