security barriers
Entry control structures
Security barriers are physical structures designed to control access, prevent intrusion, or protect against vehicle attacks.
They range from simple bollards and fences to reinforced concrete walls and retractable gates.
Security barriers surrounded the embassy compound.
The term also applies to checkpoints where documents are verified: We passed through several security barriers before reaching the terminal.
- gateHinged barrier in fence
- bollardTraffic-blocking vertical post
- entanglementsComplex binding situations
- wallVertical enclosing structure
- blast wallExplosion-absorbing defensive structure
jersey barrier · turnstile · barricade · mantrap · fence · surveillance camera · concrete block · crash barrier · razor wire · guard · metal detector · sally port · warning signs · ID verification · scanners · chain · restricted · keep out
- securityalarm system, lock, safe, alarm, camera
- holiday parkscaravan, caravan parks, campsites, chalets, mobile home
- coastal defensesseawall, seawalls, sea wall, sea walls, breakwater
security barriersopen doors
Unblocked entrances
welcome mat · open access · thoroughfare · free passage · red carpet
security barrierswelcome signs
Friendly entrance displays
open arms · sanctuary · integration · hospitality · invitation