guard rail
Highway edge protection
A guard rail is a barrier along the edge of a road, bridge, or elevated surface, designed to prevent vehicles or people from going over the side.
Guard rails line dangerous curves and mountain highways.
The figurative sense describes any protective limit or boundary: We need guard rails on AI development.
Also spelled guardrail.
- bannisterStaircase railing system
- curbRaised road margin
- safetyFreedom from harm
- road safetyPreventing highway harm
- bollardTraffic-blocking vertical post
fence · traffic barrier · crash barrier · jersey barrier · construction barrier · barrier · roadside safety · track · median barrier · prevent · mountain · edge · steep drop · danger · runaway truck · bridge · hairpin turn · scenic overlook
- safetysafety helmet, hazard, airbag, alert, occupational safety
- safeguardssafeguards, safety valve, protections, kill switch, defenses
- streetscapestreet lamp, street trees, streetlight, street furniture, street light
- railway tracksrails, steel rails, track bed, railbed, trackbed
- railroad trackrails, crosstie, crossties, sleeper, sleepers
- track inspectionvisual inspection, alignment check, load testing, safety compliance, fishplate
safety feature vs. hazard
guard railhazard
Source of potential harm
danger zone · death trap · pitfall · deathtrap · obstacle