Semi-rigid W shape section galvanised steel highway barrier

W-Beam is the most common roadside crash barrier in use in Australia.
ACP supplies two standard types of W-Beam guardrail.
4.0m NLL Standard Panel
5.0m NLL Standard Panel


W-Beam is roll formed from coil steel and sheared to length. It is then punched, slotted and hot dip galvanised in accordance with AS/NZS 3845: 1999.

W-Beam is available ex-stock in standard effective lengths of 4.00 metres and 2.00 metres and 5.00 metres and 2.50 metres for Victoria only.

Curved W-Beam

The standard straight section will align to give a smooth transition on curves with a radius greater than 45m. Pre-curved W-Beam is required for tighter radii and may be curved to traffic face concave or convex.

Standards and Approvals

W-Beam complies with the requirements of:AASHTO
AS/NZS 3845:1999 - Road safety barrier systems
Approved for use by Australian State Road Authorities.

Specification differs between States, refer to technical drawings (under Product Literature).

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