绿波带 一路绿灯畅行

Beijing (Chinese) - - CONTENTS -

“绿波带”是交通信号调控的一种精细化管理手段,信号灯会依据车流量,自动调整变换,保障车辆一路畅行,在京城的交通管理和“治堵”中发挥着重要作用

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