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.
防護柵を設置する。
Install a safety barrier.
工事現場の周りに防護柵が張られている。
Protective fencing has been put up around the construction site.
高速道路の防護柵は、事故の際に車両の飛び出しを防ぐ役割を果たす。
Guardrails on expressways play the role of preventing vehicles from flying off the road in the event of an accident.
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.