guard rail
US /ˈɡɑːrd reɪl/
UK /ˈɡɑːrd reɪl/

1.
pagar penghadang, rel pengawal
a barrier alongside a road, bridge, or other dangerous area to prevent vehicles or people from falling or straying
:
•
The car crashed into the guard rail on the highway.
Kereta itu melanggar pagar penghadang di lebuh raya.
•
Pedestrians should stay behind the guard rail for safety.
Pejalan kaki harus kekal di belakang pagar penghadang untuk keselamatan.