title: Guard rail (disambiguation)
text: # Guard rail (disambiguation)
  
  A guard rail is a protective boundary feature.
  
  Guard rail may also refer to:
  
  * Railroad guard rails (otherwise known as check rails), 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
  * Traffic barrier, installed on roadways for automobile safety
  