The engineers can use this information to change existing traffic plans to improve flow and reduce vehicle emissions.

工程师可以利用这些信息来改变现有的交通计划，以改善交通流量和减少车辆废物排放量。

A real-time traffic status platform has been launched to help reduce road congestion and optimize urban traffic plans in China.

实时播报交通信息平台上线，可以帮助解决道路拥堵，优化中国的城市交通计划。