UNI-EN 12899-2:2008E
Fixed vertical road traffic signs Part 2: Transmissive fluorescent barrier markers (TTB)

Scope: 本部分规定了用于交通流通区域的新透光交通路障（TTB）及其固定的要求，包括包含交通标志或平面表面（1型 TTB）或支撑交通标志（2型 TTB）的装置。它涵盖了性能要求和测试方法。考虑了国际照明委员会（CIE）的建议，规定了透光照明部分的颜色特性、逆反射特性和亮度。TTB 的结构要求包括在静态和动态载荷下的性能。规定了使用安全，包括车辆碰撞。功能相似但无透光或高度低于 600 毫米的装置不在本标准的覆盖范围内。注：本标准未规定基础，但基础应足以支撑所承载的载荷。除非另有说明，本标准中的条款适用于 1 型和 2 型 TTB。

UNI-EN 12899-2:2008E Referenced Document

EN 12899-1:2007 Fixed, vertical road traffic signs - Part 1: Fixed signs
EN 12899-4 Fixed@ vertical road traffic signs - Part 4: Factory production control
EN 12899-5 Fixed@ vertical road traffic signs - Part 5: Initial type testing
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