1.
protective fence; guardrail; safety barrier
A fence or barrier installed to protect people, vehicles, or property from danger. The term covers a wide range of structures, from steel guardrails along roads (ガードレール) to fencing around construction sites, power substations, train platforms, animal enclosures, and restricted areas. The key nuance is purpose: the barrier exists to prevent harm or intrusion, not merely to mark a boundary.
Compound of 防護 ('protection; safeguarding') and 柵 ('fence; palisade'). The noun 防護 appears in many safety-related compounds: 防護服 ('protective clothing; hazmat suit'), 防護マスク ('protective mask'), 防護壁 ('protective wall').
Usage
- Often used in traffic, construction, and industrial contexts.
- Common verbs: を設置する ('install'), を設ける ('provide'), を撤去する ('remove'), を越える ('go over').
- For roadside guardrails specifically, the loanword ガードレール is also widely used and sometimes more natural in everyday speech; 防護柵 has a more formal, official tone and covers a broader range of structures.
- Municipal and transportation documents distinguish specific types like 横断防止柵 ('pedestrian-crossing-prevention fence') and 転落防止柵 ('fall-prevention fence').
Common collocations
- 防護柵を設置する: to install a protective fence
- 防護柵を設ける: to put up a safety barrier
- 防護柵を越える: to climb over the barrier
- 道路の防護柵: roadside guardrail
- 工事現場の防護柵: construction-site fencing
Similar words
- ガードレール: guardrail — loanword, typically limited to roadside guardrails; more colloquial.
- 柵: fence — the bare noun, without the 'protective' nuance; can simply delimit space.
- 塀: wall; fence — typically a solid wall around a property, not designed for safety.
- 防護壁: protective wall — a solid wall rather than an open fence.