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交通工程及沿线设施分为安全设施、服务设施、管理设施三种,是公路的重要组成部分,是发挥公路经济效益、保障行驶安全必不可少的配套设施,是公路现代化、智能化的标志之一;交通安全设施工程主要包括高速公路护栏、道路交通标志、路面标线、隔离设施、防眩设施、视线诱导标志等;交通安全设施工程的工程质量直接影响高速公路整体工程质量和现代运输对公路美学的要求,关系到高速公路营运后安全、舒适、快速、高效运行和整体功能的全面发挥。交通安全设施已经成为区域性视觉系统的
Traffic engineering and facilities along the line are divided into three types of safety facilities, service facilities and management facilities. They are an important part of the road, and are indispensable supporting facilities for ensuring the economic benefits of the road and ensuring traffic safety. They are the hallmarks of the modernization and intelligentization of highways A; traffic safety facilities including highway guardrail, road traffic signs, pavement marking, isolation facilities, anti-glare facilities, sight-induced signs, etc .; traffic safety facilities project quality directly affects the overall quality of the highway and modern transport Highway aesthetics requirements, related to the safe operation of the highway, comfortable, fast, efficient operation and the overall function of the full play. Traffic safety facilities have become a regional visual system