1.
cable barrier; wire-rope road barrier
A roadside safety barrier made of tensioned steel cables strung between posts. Absorbs the impact of a vehicle by flexing, common on highway medians and mountain roads.
From English "guard" + "cable." A flexible road barrier that stops a vehicle by absorbing energy through the give of its cables, unlike the rigid ガードレール. Cheaper to install and repair than beam guardrails.