[Keepleft]

Just a quick update to this M7 event. As we know this event becomes a matter for the Coroner, that said and without predjudice, wire-rope median barrier is installed at the crash point.

The subject vehicle hit initially this median wire-rope barrier AND concrete Jersey where these two barriers are INTERLACED, at a virtual right angle - square-on if you will. Then continued.

An issue as to interlacing comes into play having due regard as to a wire ropes mechanical engineered deflection requirement, here, there might well have been insufficient allowance for the wire-rope to do its designed job at this critical juncture, an issue impacting the state Road Design Guidelines comes into play.

Basically, the vehicle was sent airborne by the concrete Jersey up and over the wire rope alongside which could not perform normally, which at most any typical point of install elsewhere on the M7 etc would have arrested it.

It is feasible that had the wire-rope barrier not been installed the resultant crash could have been even worse for the survivors owing an even higher rolling or initial upright speed had it been the case.

Lessons in road design will come from this, and with time improvement.