ICS 03.220.20 CCS R 80 广 DB4401 州 市 地 方 标 准 DB4401/T 112.1—2021 城市道路占道施工交通组织和安全措施设置 第 1 部分：交通安全设施设置 Specification of traffic organization and safety facilities in urban road work Part 1：Traffic safety facilities 2021 - 09 - 16 发布 广州市市场监督管理局 2021 - 11 - 01 实施 发 布 DB4401/T 112.1—2021 目  次 前 言................................................................................................................................................................. Ⅲ 1 范围................................................................................................................................................................. 1 2 规范性引用文件............................................................................................................................................. 1 3 术语和定义..................................................................................................................................................... 1 4 基本要求......................................................................................................................................................... 2 5 作业区基本组成............................................................................................................................................. 2 5.1 5.2 5.3 5.4 5.5 5.6 5.7 作业区..................................................................................................................................................... 2 警告区..................................................................................................................................................... 4 上游过渡区............................................................................................................................................. 4 缓冲区..................................................................................................................................................... 5 工作区..................................................................................................................................................... 5 下游过渡区............................................................................................................................................. 5 终止区..................................................................................................................................................... 5 作业区交通安全设施..................................................................................................................................... 5 6 6.1 6.2 6.3 6.4 6.5 6.6 6.7 6.8 施工围蔽................................................................................................................................................. 6 施工作业车............................................................................................................................................. 7 道路交通标志......................................................................................................................................... 7 道路交通标线....................................................................................................................................... 11 防护设施............................................................................................................................................... 12 交通信号灯........................................................................................................................................... 16 交通监控设施....................................................................................................................................... 16 照明设施............................................................................................................................................... 16 7 作业区布置一般规定................................................................................................................................... 16 8 一般路段作业区布置................................................................................................................................... 18 8.1 8.2 8.3 快速路................................................................................................................................................... 18 其他道路............................................................................................................................................... 28 非机动车道、人行道........................................................................................................................... 28 特