城市道路安全基础设施
Infrastructure for Urban Road Safety
城市道路短期交通流
Urban Road Short-term Traffic Flow
城市道路改造
urban road reconstruction
城市道路工程
municipal highway engineering
城市道路横断面设计
Designs for Urban Road Transect
城市道路交叉口
urban road intersection
urban intersection
urban intersections
City signalized intersection
intersections group
城市道路交通
urban road and traffic
city street traffic
urban road traffic
city road traffic
urban road transportation
Urban freeway traffic
traffic
城市道路交通控制与管理系统
urban traffic control and management system
city road traffic control and manage system