Department for Infrastructure and Transport SA Approved Frangible Post Systems

Signfix & Optimast MASH TL3 Approved Frangible Post Systems

Certified Safe. Proven Performance. Australian Made.

Signfix & Optimast MASH TL3 Frangible Poles are industry-leading frangible post systems, rigorously tested and suitable for use in accordance with the requirements of the Department for Infrastructure and Transport SA.

Signfix Calculator for SA

Try the new Signfix Frangible Post Calculator for SA — our free calculator can help you quickly and easily specify the right post to suit the South Australian road specifications and your sign dimensions.

Try our new Signfix Calculator for SA

Department for Infrastructure and Transport SA Requirements

The Department for Infrastructure and Transport SA outlines requirements for frangible sign support systems under Part RD-LM-C4.

  • SignFix MASH TL3*
  • Optimast MASH TL3*

For more information, view the Department for Infrastructure and Transport documentation and Signfix / Optimast footing design details below.

Master Specification RD-LM-C4 Sign Installation

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DIT Approved Products Contract Works

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Signfix & Optimast Structural and Footing Design Details

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For access to our design CAD files, please contact our team.

Department for Infrastructure and Transport SA Compliant – Signfix MASH TL3 Aluminium Frangible Posts

Engineered for Performance & Safety

Signfix Aluminium Frangible Posts are designed to provide maximum safety in roadside environments. Manufactured from high-strength, lightweight aluminium, Signfix poles are ideal for traffic signs, ensuring reliable breakaway performance under impact.

  • Fully compliant with MASH TL3 requirements
  • Lightweight, corrosion-resistant aluminium construction
  • Designed for easy installation and long-term durability
  • Proven performance on Australian roads

Learn more about Signfix MASH TL3 Approved Frangible Sign Support Structures

Department for Infrastructure and Transport SA Compliant – Optimast MASH TL3 Aluminium Frangible Posts

Structurally Designed for Superior Reliability

Optimast Aluminium Frangible Posts deliver next-level safety and performance for roadside signage up to 40m2. With a unique, patented design, Optimast posts are engineered to perform under demanding conditions while meeting road safety requirements.

  • MASH TL3 certified for optimal safety compliance
  • Robust, lightweight aluminium for easy installation
  • Patented frangible technology for controlled breakaway
  • Suitable for a wider range of signage applications

Learn more about Optimast MASH TL3 Approved Frangible Sign Support Structures

What is MASH TL3 Approved?

MASH TL3 is the recognised standard for roadside safety hardware. Sign support structures and poles with this approval have passed rigorous crash testing to ensure they break away safely upon impact, protecting both road users and infrastructure.

Why Choose a Frangible Post System?

When it comes to road safety and compliance in South Australia, choosing an approved frangible pole system is essential. Frangible poles are engineered to break away safely on impact, reducing the risk of injury and damage. Our range of frangible sign support structures and poles are compliant with current safety standards and suitable for use across Australia, including South Australia.

Why Trust Signfix Frangible Post Systems?

  • Compliant Solutions: Designed to meet Department for Infrastructure and Transport SA requirements.
  • Proven Track Record: Trusted by the Australian road infrastructure industry.
  • Expert Support: Our team is here to help you choose the right frangible post system for your project.

SA MASH Approved Frangible Pole Installations

Optimast SA Aldinga frangible post installation Signfix SA Aldinga Beach frangible post installation Optimast SA Port Willunga frangible post installation

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Ready to specify a MASH TL3 approved frangible pole system for your next project? Contact us for expert advice, pricing and technical support.

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