The T-39™ Guardrail is a strong post Thrie-beam system tested to NCHRP Report 350 Test Level 4. In the 39” guardrail system height, the Thrie-beam attaches directly to Steel Yielding Line Posts (SYLP™) and does not use offset blocks.
 
Features:
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.
Single-Face or Double-Face (median) application.