本标准是对GB5768-86《道路交通标志和标线》的修订,保留了原标准中实践证明适用的部分。在总结我国道路交通标志标线设计、制造、施工及检测经验的基础上,根据国内外标志标线技术的发展和交通管理的需要,增加了警告标志、禁令标志、指示标志的数量,进一步向国际标准靠拢。一般 This standard is a revision of GB5768-86 “road traffic signs and marking”, retaining the original standard part of the practice proved applicable. On the basis of summarizing the design, manufacture, construction and testing experience of road traffic signs in China, according to the development of domestic and international road signs marking technology and the need of traffic management, the number of warning signs, prohibition signs and indication signs is increased, International standards closer. general