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高速公路与城市快速路是连接城市之间、城市中心区与远郊区之间的重要交通骨干,与城市道路和低等级公路不同,高速公路与城市快速路具有更为严格的设计标准,全封闭或半封闭的道路环境为车辆的快速行驶提供了更为可靠的空间保障,立体交叉的设计形式消除了不同方向车流间的行车冲突从而确保了行驶的持续顺畅,没有了混合交通的干扰和信号控制带来的延误,高速公路与快速路给驾驶人带来的应该是前所未有的行驶体验。然而,近年来,时逢节假日或重大活动期间,全国各地高速公
Expressway and city expressway are important transport links between cities, urban centers and suburbs. Unlike urban roads and low-grade highways, expressways and urban expressways have more stringent design standards and are fully enclosed Or semi-enclosed road environment provides a more reliable space for the rapid driving of vehicles, the design of the three-dimensional cross eliminates the traffic conflicts between different directions of traffic to ensure the smooth running without mixed traffic and signal interference Control delays, highways and freeways to the driver should be an unprecedented driving experience. However, in recent years, highways have hit the country during holidays or major events