About ten years ago, Xiaodong Qian realized the urgency and challenges of traffic in his hometown of Wuhan, China.
“All traffic had to go through one intersection near my home in a busy, commercial area. During rush hour, everybody ignored traffic lights, no one kept a safe distance and the intersection was totally congested for about two hours,” he said. At that time, he was an undergraduate student at Tsinghua University and became interested in solving traffic problems. One way to alleviate traffic congestion is to use bicycles.