Trinity Highway Products, LLC (Trinity Highway) manufactures and sells a guardrail end terminal known as the ET Plus® System. Trinity is confident in the performance of all our company’s products, including the ET Plus® System, which is a federally accepted energy-absorbing guardrail end terminal system used on roadways. When impacted within the applicable National Cooperative Highway Research Program (NCHRP) Report 350 criteria, the ET Plus® System has shown to perform as a “crashworthy” product as characterized by the Federal Highway Administration (FHWA).

The ET Plus® System is manufactured under license by Trinity Highway, and was invented by an engineering team at the Texas A&M Transportation Institute (TTI), which is recognized as one of the finest higher education–affiliated transportation research agencies in the nation.

The ET Plus® System has been successfully crash tested more times than any product of its kind. It has an unbroken chain of eligibility for federal-aid reimbursement from the FHWA.

ET Plus testing banner

The ET Plus® System is an energy-absorbing guardrail end terminal. To learn more, click here

Testing and Results

For more detailed information about the ET Plus® System testing process, click here.

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