State Highway 58 | ||||
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Route information | ||||
Maintained by NZ Transport Agency | ||||
Length | 15.2 km (9.4 mi) | |||
Major junctions | ||||
West end | SH 1 at Paremata | |||
East end | SH 2 at Haywards | |||
Highway system | ||||
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State Highway 58 is a New Zealand state highway in the Wellington Region linking the Hutt Valley to Porirua.
The two lane 15.3 km highway leaves State Highway 2 at Haywards and goes over the Haywards Hill via Judgeford to a future interchange with the proposed Transmission Gully Motorway at Pauatahanui. Then it skirts the southern side of the Pauatahanui Inlet of Porirua Harbour and the suburb of Whitby, to join State Highway 1 at Paremata near Porirua. Grays Road skirts the northern side of the Pauatahanui Inlet and joins State Highway 1 at Plimmerton and is used as a short cut to State Highway 1 if going north; but it is a local road not of highway standard, and has been criticised as treacherous and not suitable for heavy trucks.
In June 2010 a road assessment programme found that the Haywards Hill road was amongst the worst in the Wellington region, scoring only 2 out a possible 5. In November 2014 upgrades costing $30 million were announced, with $2.5 million of work to start immediately.