September 11, 2026
EN 1317 Under Revision: What Could Change in Europe’s Road Restraint System Certification Europe’s road restraint system standards are entering a revision-preparation phase. The VERSA project, […]
Guardrail crash-test standards explained: EN 1317 containment levels, AASHTO M180 / MASH TL ratings, China JTG B05-01, working width and ASI. Written for engineers and specifiers who must justify a barrier choice against a project standard.
August 18, 2026
Bridge and Waterfront Guardrail Safety Requirements: Containment Levels, Anchorage and Project Acceptance Quick Answer Bridge and waterfront guardrails cannot be judged by the shape of a […]
August 9, 2026
A practical guide to highway guardrail installation conditions under JTG D81-2017, covering clear zones, roadside hazards, protection levels, dynamic deflection and quotation requirements.
August 6, 2026
Guardrail crash-protection levels cannot be compared by energy alone. This guide compares China JTG B05-01 with U.S. MASH, EN 1317 and Japanese standards, including test vehicles, speeds, impact angles, deflection and complete-system approval requirements.