T-31 Guardrail

The T-31 Guardrail is a strong post w-beam system that connects directly to Steel Yielding Line Posts (SYLP). It does not require offset blocks and features mid-span splices between adjacent posts. At a rail height of 31″, the single faced system is NCHRP Report 350 Test Level 3 and MASH Test Level 3 compliant.

In stock

Features & Benefits

  • Tested to NCHRP Report 350 TL-3 and MASH TL-3
  • Strong posts with weakening holes at the ground line
  • Does not use offset blocks which helps reduce site grading
  • Countersunk-head bolts and post flange protectors
  • Mid-span splices between adjacent posts


  • Steel Yielding Line Posts (SYLP™): W6 x 8.5 x 6’ 0″ (W150 x 13.0 x 1.83 m)
  • 31″ (787 mm) guardrail height
  • 6’ 3″ (1.9 m) post spacing
  • 5/8″ x 1¾″ (16 mm x 45 mm) countersunk head bolts

Product Documents