DB32/T 3493-2019
普通国省道公路标志标线维护规范
Maintenance Specification for Ordinary national and provincial highways signs and markings 2
019-01-12 发布 
2019-01-30 实施
目 次
前言......................................1
1范围......................................1
2规范性引用文件.................................1
3术语和定义.......................................1
4    一般规定.......................................2
4.1维护原则.....................................2
4-2维护内容.....................................3
4.3维护要求.....................................3
5标志维护..................................
5.1    基本要求....................................4
5.2警吿标志.....................................5
5-3禁令标志.....................................6
5.4指示标志.....................................7
5.5指路标志.....................................7
5.6旅游标志.....................................7
5.7其他标志.....................................8
6标线维护........................................8
6.1    基本要求....................................8
6.2禁止标线.....................................9
6.3指示标线.....................................9
6.4警吿标线.....................................9
7标志标线维护.....................................10
7.1    基本要求...................................10
7.2适用维护....................................10
7-3综合维护....................................10
7.4配套维护....................................10
8典型路段标志标线维护.................................11
8-1    基本要求....................................11
8-2    一般路段....................................11
8-3交叉路段.....................................11
8.4桥梁路段.....................................12
8-5    隧道路段....................................12
8.6下穿路段.....................................12
8.7学校路段.....................................13
8.8村镇路段.....................................13
8.9弯道路段.....................................14
8-10坡道路段.....................................14
8-11公交站点.....................................15
8-12校车停靠点....................................15
8.13作业区......................................16
8-14临海（湖）路段..................................16
9自然灾害损殷维护.....................................16
9.1风力达到十级及以上.................................16
9.2汛期或特大暴雨...................................17
9.3暴雪、冰冻.....................................17
9.4多雾路段......................................17
10其他..........................................17
10.1工程项目.....................................17
10.2线路调整.....................................18
10.3路网变化.....................................18
10.4交通管制.....................................18
附录A    （规范性附录）公路标志标线维护作业类型与内容....................19
附录B    （规范性附录）公路标志标线维护作业工作流程.....................21