
DBJT45/T 016-2020
高速公路限制速度论证和调整技术指南
Technical guidelines for setting speed limit signs on expressway
2020-08-20实施
2020-07-27发布
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 基本规定 .......................................................................... 2
4.1 一般规定 ...................................................................... 2
4.2 限速车型 ...................................................................... 2
4.3 限速路段 ...................................................................... 2
4.4 限制速度 ...................................................................... 3
4.5 限速方式 ...................................................................... 3
5 限速实施步骤和方法 ................................................................ 3
5.1 限速实施步骤 .................................................................. 3
5.2 收集资料 ...................................................................... 4
5.3 限制速度论证 .................................................................. 4
5.4 设计与实施 .................................................................... 4
5.5 后评估 ........................................................................ 5
6 初定基本限制速度值 ................................................................ 5
6.1 一般规定 ...................................................................... 5
6.2 设计速度法 .................................................................... 5
6.3 运行速度法 .................................................................... 5
7 安全性核查与论证 .................................................................. 5
7.1 一般规定 ...................................................................... 5
7.2 技术指标核查与论证 ............................................................ 6
7.3 路侧安全条件核查与论证 ........................................................ 6
7.4 事故多发点(段)核查与论证 .................................................... 6
7.5 不良气象影响核查与论证 ........................................................ 7
7.6 特殊路段 ...................................................................... 7
7.7 限速路段和限制速度值的调整 .................................................... 7
8 后评估 ............................................................................ 8
9 限速标志的设置 .................................................................... 8
9.1 限速标志的版面 ................................................................ 8
9.2 限速标志的设置 ............................................................... 10
9.3 支撑形式 ..................................................................... 11
10 限速标志与相关设施的综合设置 .................................................... 11
10.1 一般规定 ..................................................................... 11
10.2 可变限速标志 ................................................................. 12
10.3 减速标线 ..................................................................... 12
10.4 速度反馈设施 ................................................................. 12
10.5 其他标志、标线 ............................................................... 12
附录 A(规范性附录) XX 高速公路限速方案及保障措施综合论证报告正文格式 ............... 13
附录 B(资料性附录) 高速公路限速实施步骤和方法...................................... 14
附录 C(资料性附录) 高速公路限速平面示意图.......................................... 15
参考文献 ............................................................................. 16