large-scale urban traffic engineering project
rights of taking part in urban traffic
supply system in urban mass transit
The problem of urban traffic
underground Urban Mass Transit complex
underground urban traffic tunnel
urban mass rapid transit project
Urban Mass Transit
城市轨道交通
城市公共交通
城市轨道交通研究
城市交通
城轨交通
城市轻轨
轨道交通
城轨
铁路枢纽
地铁
Urban Mass Transit System
Urban Traffic Congestion
Urban traffic control and route guidance
Urban Traffic Control System
城市交通控制系统
城市交通管制系统
市区交通控制系统
交通控制系统
交通信号控制系统
Urban Traffic Coordinated Signal Control System
urban traffic environment
Urban Traffic Link Tunnel