ICS 03.220.20 CCS R07 广州市空间地理信息与物联网促进会团体标准 T/KJDL 004.1 -2021 城市道路交通标志和标线的数字化模型 信息表达规范 第1部分：指示和禁令类 Information expression specification for digital model of traffic signs and markings in urban Part 1: Mandatory and prohibition 广州市空间地理信息与物联网促进会 发布 2021-10-28发布 xxx-xx-xx发布 2021-12-01实施 xxx-xx-xx实施 全国团体标准信息平台 全国团体标准信息平台 T/KJDL 004.1 -2021 I 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 3.1 城市路网 ................................ ................................ ................................ ................................ .................... 1 3.2 交通标志 ................................ ................................ ................................ ................................ .................... 2 3.3 交通标线 ................................ ................................ ................................ ................................ .................... 3 4 缩略语 ................................ ................................ ................................ ................................ .............................. 4 5 实体的表达模型 ................................ ................................ ................................ ................................ ............... 4 5.1 概述 ................................ ................................ ................................ ................................ ............................ 4 5.2 实体主题 ................................ ................................ ................................ ................................ .................... 5 5.3 几何模型 ................................ ................................ ................................ ................................ .................... 5 5.4 关系模型 ................................ ................................ ................................ ................................ .................... 6 6 城市路网的表达 ................................ ................................ ................................ ................................ ............... 7 6.1 城市路网的实体结构 ................................ ................................ ................................ ................................ 7 6.2 路段节点 ................................ ................................ ................................ ................................ .................... 7 6.3 路段 ................................ ................................ ................................ ................................ ............................ 9 6.4 子路段 ................................ ................................ ................................ ................................ ...................... 11 6.5 内部子路段 ................................ ................................ ................................ ................................ .............. 13 6.6 车道 ................................ ................................ ................................ ................................ .......................... 14 6.7 内部车道 ................................ ................................ ................................ ................................ .................. 15 7 交通标志的表达 ................................ ................................ ........