Reducing holiday driving disruptions

Holiday makers driving through Auckland this summer may find their travel time improves with the new interlocking contraflow barriers being introduced by the NZ Transport Agency’s Auckland Motorway Alliance.

The barriers provide an innovative method to manage traffic flows and minimise disruption to drivers as essential highway maintenance and improvements are carried out, allowing traffic to continue in both directions on a motorway, even when a lane is closed. They alter normal traffic flows so that vehicles travelling in one direction can be diverted through a motorway or highway median into an opposing lane on the other side.


The contraflow cable barrier helps manage traffic flows and minimise disruption to drivers during highway maintenance.

“The barriers remove the need for a detour route, meaning less disruption to travellers, fewer safety risks, and less wear and tear on local roads caused by heavy vehicles that have been diverted on to them,” says Tommy Parker of NZTA.

Tommy says the new system keeps traffic flowing well and safely, where previously full motorway closures and detours were necessary during roadwork, adding to travel times and the need to direct heavy vehicles onto local roads.

The system also provides safer working conditions for maintenance crews, and can be dismantled easily in emergencies.

The barriers are currently being used on the Auckland Motorway as part of a strategy by the AMA towards the smart use of technology and innovation to improve people’s driving experiences on Auckland motorways and highways.


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