如何更换标志牌是高速公路大修普遍面临的问题,由于缺乏相关规范,在进行标志的维护时就具有很大的随意性,处理效果亦不太理想。结合银川绕城高速公路南环段大修工程,详细介绍沿线标志存在的问题,并有针对性地提出具体的处理措施以及施工时的注意事项,供类似工程参考借鉴。 How to replace signboard is a common problem faced by expressway overhaul. Due to the lack of relevant norms, there is a great deal of arbitrariness in the maintenance of sign and the treatment effect is not very satisfactory. Combined with the overhaul project of Nanhuan Section of Yinchuan Ring Expressway, the problems existing along the line are described in detail, and specific treatment measures and precautions during construction are pointed out for reference for similar projects.