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The fragility of Wellington’s transport network has a habit of causing major delays.
On Monday 29th June, a slip on State Highway 2 resulted in traffic chaos, not only on the highway between Wellington and Petone, but also through Porirua as commuters sought to find an alternative route home.

Had the slip occurred in the morning it would have seen massive delays on the Wellington motorway, as was the case in April 2019 when a similar slip did occur during morning ‘rush hour’ traffic, or when a crane crashed on State Highway on 27 February of this year.

These instances, and others, highlight the lack of practical transport network resilience between Wellington and the Hutt Valley.

A link road between Petone and Grenada (P2G) has long been mooted to improve network resilience, as well as to improve connectivity between the Wellington’s Northern suburbs (and points further north) and the Hutt Valley.

With an estimated saving of ten minutes each way, along with taking 25,000 or more vehicle movements per day off the Wellington Motorway, P2G would help to improve productivity as well as reducing congestion on the motorway from Tawa through to Ngauranga.

That would help residents from Tawa through to Johnsonville and Newlands, including Grenada, Grenada Village, Churton Park, Paparangi and Woodridge.
A review in 2017 did highlight some risks with the initial design, but, according to an article published in the Dominion Post last week, no funding has since been made available to undertake a redesign.

Without that, the network fragility, and all of its impacts, remain.

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