城市道路标线有效寿命分析

以北京市实际道路不同功能标线的反光亮度为例，分析标线产品的剩余有效寿命，揭示标线亮度衰减的规律，由此建议根据不同的道路标线需求制定道路标线的设计和养护方案，以满足驾驶人夜间的视认需求。针对不同的路面，采取不同的养护方案，既有利于提高交通设施的安全性，又能有效地优化道路资源，为道路标线设计和养护决策提供参考。

Residual Serve Life of Pavement Mark in Urban Area

Taking the glisten brightness of pavement mark with different function of actual roads of Beijing for instance, the residual serve life of pavement mark is analyzed and the attenuation regularity of road marks is disclosed. It is suggested that in order to meet the vision need of driver at night, design and maintenance project of pavement mark should be instituted according to the various need of pavement mark. Adopting different maintenance project in allusion to different pavement not only improves traffic device safety, but also optimizes road resource effectively, which provides reference to the decision-making of pavement mark design and maintenance.