TR H4B W4 is an EN 1317 tested single-sided, driven steel guardrail system with H4b containment, W4 working width class and ASI B.
TR H4B W4 is an EN 1317 tested single-sided, driven steel guardrail system with H4b containment, W4 working width class and ASI B.
ANTG H4b W2 2.0 is a single-sided, rammed steel guardrail tested to EN 1317 with TB11 and TB81, featuring H4b containment, W2 working width, impact severity B and 2.00 m post spacing.