Trinity Highway Products manufactures a full range of Highway posts such as the Steel Yielding Terminal Post™ and the Hinged Break-Away Post™. Each model provides distinct advantages for highway use.

Trinity Highway Products’ Hinged Break-Away™ (HBA) post is a two-piece, reusable steel post manufactured to be used with the ET-Plus™ and SRT™ Families of products. Upon impact within NCHRP Report 350 criteria, the HBA Post’s™ 3/8” bolts shear, allowing the post to hinge and fold over at ground level. Features: Can be substituted for wood posts. Drivable into most soils. Galvanized steel. NCHRP Report 350 Test Level 3 compliant. Installation and Repair Advantages: Typically reusable after an impact within NCHRP Report 350 criteria. The post can typically be repaired after design impact within NCHRP Report 350 criteria, by pulling it back to the original upright position and replacing the shear bolts. HBA Post™ eliminates the need for soil plates and tube sleeves.

The Steel Yielding Terminal Post™ (SYTP) is an innovative steel post configuration that can be utilized in the ET-Plus™ Family of products. The ET-Plus™ with SYTP™ is available in a wide variety of configurations when specifying a 50’ 0” (15.24 m) terminal system. The post is made of standard material with special shop-fabricated holes. Upon an impact within NCHRP Report 350 criteria, the post yields allowing the ET-Plus™ head to flatten the rails and absorb some of the energy of the impacting vehicle. SYTP™ is NCHRP Report 350 Test Level 3 compliant. Features: Yielding action minimizes roadside debris often found with conventional wood post options. Reduction in parts inventory. Galvanized steel reduces issues associated with wood posts caused by weather. Recycled steel offers environmentally sound options as compared to chemically treated wood posts. NCHRP Report 350 Test Level 3 compliant. Installation and Repair Advantages: Can be installed with a standard driving head. Fewer parts simplify buying and stocking for repairs. Product Application All-steel post option available for use in the ET-Plus™ family of guardrail end treatments.