Anchoring the w-beam guardrail safety barrier system.
Guardrail Departure Terminals
- Manufactured to state road authority specifications
- Designed to anchor w-beam guardrail safety barrier system
- The anchoring of the barrier system introduces the necessary tensile and flexural strength required for safe vehicle containment throughout the length-of-need section
- Only to be used on the trailing end of a guardrail system that it located outside the clear-zone of opposing traffic
- Hot dip galvanised in accordance with AS/NZS 4680
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Guardrail Departure Terminals FAQs
What is the function of a Departure Terminal?
Departure terminals, also known as trailing terminals, are the specially designed end pieces located at the trailing end of a w-beam guardrail system.
Departure terminals are designed to anchor the guardrail system and introduce the necessary tensile and flexural strength required for safe vehicle containment and re-direction throughout the length-of-need section.
Are there restrictions on the use of Departure Terminals?
Yes. Whilst some end terminals also provide the additional feature of reducing the severity of an impact near or at the end of the system, this does not apply to departure terminals. As a consequence, departure terminals should only be used when they are located outside the clear zone of approaching traffic or when shielded from approach traffic by another barrier.
Some jurisdictions do not permit the use of Departure Terminals unless installed on a divided roadway where there is no opportunity for a reverse direction impact with the terminal.
What designs are available?
Departure Terminal designs are manufactured in accordance with Australian state road agency designs. Designs vary from state to state, however they typically comprise a 4m w-beam guardrail panel supported by posts at 2m centres. A cable assembly is installed between the rail and end post in order to anchor the terminal.
Can a Departure Terminal be directly connected to Thriebeam guardrail?
No. Thriebeam guardrail must transition to w-beam guardrail before a departure terminal can be installed.
What is the finish of the Departure Terminal items?
Posts, blocking pieces and w-beam guardrails are hot dip galvanised.
What are the Departure Terminals made of?
The Departure Terminals for guardrails are made of Australian steel, with hot dip galvanised components.