传统的交通信号灯是用定时器来操作的,这种刻板的循环在某些特定时段里显得不那么好用,比如上下班高峰期,路口很容易出现拥堵。有时情况更加尴尬:明明没有行人要过斑马线,司机也得在红灯前乖乖等着。怎样让交通管制更智 Traditional traffic lights operate with timers, a rigid loop that does not work well for certain periods of time, such as traffic jams at junctions at rush hour. Sometimes the situation is even more awkward: obviously no pedestrians have to cross the zebra crossing, and the driver has to wait obediently before the red light. How to make traffic control smarter