TR H4B W4
The TR H4B W4 system is a high-performance steel road safety barrier designed in accordance with EN 1317 European Standard requirements.
The TR H4B W4 system is a high-performance steel road safety barrier designed in accordance with EN 1317 European Standard requirements.
| Initial Type Test (ITT) | TB11 & TB81 |
| Containment Level | H4b |
| Working Width (m) | W≤1,3 |
| Class of Working Width | W4 |
| Acceleration Severity Index (ASI) | B |
| Post distance (m) | 1,33 |
| Construction height from road surface (m) | 1,33 |
| Tested system foundation | Single Sided / Rammed |