State Highway 58 (New Zealand)

State Highway 58 (SH 58) is a New Zealand state highway in the Wellington Region linking the Hutt Valley to Porirua City.

State Highway 58 shield}}
State Highway 58
Route information
Maintained by NZ Transport Agency
Length15.2 km (9.4 mi)
Major junctions
East end SH 2 (Western Hutt Road) at Haywards
Major intersections SH 1 (Transmission Gully Motorway) at Pāuatahanui
West end SH 59 at Paremata
Location
CountryNew Zealand
Highway system
← SH 57→ SH 59

Route

The two-lane highway covers 15.2 kilometres (9.4 mi) and connects State Highway 2 from a junction at Haywards north of Lower Hutt to State Highway 59 at Paremata, north of the Porirua City Centre. The road traverses the steep Haywards Hill on the western side of the Hutt Valley, continues through Judgeford to an interchange with the Transmission Gully Motorway (State Highway 1) at Pāuatahanui, and skirts the southern side of the Pauatahanui Inlet of Porirua Harbour and the suburb of Whitby.

History

The road was first formed during the 1870s.[1] From the 1940s to the 1970s there were proposals for a railway line, the Haywards–Plimmerton Line, via this route.

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.[2] In November 2014 upgrades costing $30 million were announced, with $2.5 million of work starting immediately.[3] Construction of an elevated interchange at the intersection of SH2 and SH58 at Haywards began in 2015 and was completed in 2017 for a cost of $42 million.[4] The project included a new park and ride car park at the adjacent Manor Park Railway Station and a pedestrian footbridge across SH2 to replace an existing underpass.[5] Further safety improvements are under construction and estimated to be complete by 2023. These include building median and road-side safety barriers, two new roundabouts at the intersections of Flightys Road and Moonshine Road identified as having high crash statistics, and widening parts of the road to four lanes.[6]

Major junctions

All exits are unnumbered.

Territorial authorityLocationkmmiDestinationsNotes
Lower Hutt CityManor Park0.00.0 SH 2 north (Western Hutt Road) – Upper Hutt, Masterton
Manor Park Road – Manor Park
SH 2 south (Western Hutt Road) – Lower Hutt, Wellington		SH 58 begins
Porirua CityPāuatahanui9.66.0 SH 1 south (Transmission Gully Motorway) – Wellington
SH 1 north (Transmission Gully Motorway) – Palmerston North
10.06.2Paekākāriki Hill Road – Pāuatahanui
Whitby13.68.5Postgate Drive – Whitby Shops
Paremata15.19.4Paremata Crescent – Papakowhai
15.29.4 SH 59 south – Porirua, Wellington
Paremata railway station park & ride
SH 59 north (Mana Esplanade) – Plimmerton, Paekākāriki, SH 1 north at Mackays Crossing		SH 58 ends

See also

References
  1. W. B. Healy, "Pauatahanui Inlet – an environmental study", New Zealand Department of Scientific and Industrial Research, 1980. ISSN 0077-9636
  2. McLennan, Rosemary (30 June 2010). "Haywards Hill Road region's worst". Upper Hutt Leader. Retrieved 21 April 2021.
  3. Chipp, Jim (21 November 2014). "Haywards Hill should be a 'major connection'". Kapiti Observer. Retrieved 21 April 2021.
  4. Forbes, Michael (14 March 2015). "Fast track for new $42m interchange". The Dominion Post.
  5. "SH2/58 Haywards Interchange". NZTA. Archived from the original on 9 April 2015. Retrieved 21 April 2012.
  6. Fallon, Virginia (29 January 2020). "Safety upgrades for SH58, Wellington's most dangerous road". Stuff. Retrieved 21 April 2021.
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