Guardrail (disambiguation)

Guardrail can refer to

• Guard rail, a system designed to keep people or vehicles from (in most cases unintentionally) straying into dangerous or off-limits areas.
• Guard rail (or guardrail) is another term used in North America to refer to traffic barriers that are installed on road sides or medians (central reservations) for automobile safety
• Guard rails (railroad) installed parallel to trackbed rails, for railway safety
• RC-12 Guardrail, a U.S. Army intelligence-gathering aircraft based on the C-12 Huron
• Roof edge protection, rails installed on roofs to protect construction and roofing workers