State Highway 51 (New Zealand)

State Highway 51 (SH 51) is a New Zealand state highway that runs between Napier and Hastings via Clive. Known locally as the Coastal Route, it was the main route between the two cities prior to the completion of the Hawke's Bay Expressway.

State Highway 51 shield}}
State Highway 51
Route information
Maintained by NZ Transport Agency
Length21.2 km (13.2 mi)
Major junctions
North end SH 2 / SH 50 (Hawke's Bay Expressway) near Napier
Major intersections (Hyderabad Road) to SH 50 (Hyderabad Road/Prebensen Drive) in Napier
South endKenilworth Road in Hastings
Location
CountryNew Zealand
Primary
destinations
Clive
Highway system
SH 50 SH 52

History

The route that SH 51 follows is part of the original route between Napier and Hastings, and prior to 1 August 2019 formed part of SH 2.

Between the late 1960s and 2011, the nearby Hawke's Bay Expressway was constructed, providing a high-speed bypass of Napier and Hastings. As the expressway was constructed in seven sections over 43 years, it had three separate state highway numbers (SH 2B, SH 50 and SH 50A), despite the expressway being a single length of road and being considered the spine of the Hawke's Bay roading network.[1] This resulted in a confusing driving experience for motorists, made even more so when 9.8 kilometres (6.1 mi) of SH 2 between the northern outskirts of Hastings and the southern terminus of the expressway at Pakipaki was revoked in 2005.[2]

In 2019, an opportunity to renumber the Hawke's Bay state highways arose through the exchange of Meeanee Quay and Pandora Road in Napier (part of SH 2) becoming a local road under the authority of the Napier City Council, and nearby Prebensen Drive becoming a state highway under the authority of the New Zealand Transport Agency.[3] On 1 August 2019, the renumbering took effect: [4]

  • The entire Hawke's Bay Expressway became SH 2. SH 2B and SH 50A were revoked, while SH 50 continued to run over a section of the expressway, and was co-signed with SH 2 over this section.
  • The former SH 2 between Napier and Hastings became SH 51, remaining a state highway alternative to the Hawke's Bay Expressway.
  • Taradale Road, Hyderabad Road and Georges Drive, previously part of SH 50, also became part of SH 51, with SH 50 being shifted to run via Prebensen Drive.

The creation of SH 51 affected approximately 120 people and businesses with an address change along two sections of the route where the name of the road was the state highway number. Their addresses were automatically changed from State Highway 2 to State Highway 51 by New Zealand Post.

Route

SH 51 leaves the Hawke's Bay Expressway at a roundabout west of Napier. It initially heads to the north-east on Taradale Road, before following Hyderabad Road for a short distance. It then runs to the south of the Napier city centre along Georges Drive.

SH 51 then meets the Hawke's Bay coast and turns south on Marine Parade. The route then leaves Napier and follows the coast before heading inland at the Ngaruroro River estuary. It runs through the small town of Clive and passes to the east of Whakatu before turning towards Hastings at a roundabout at Mangateretere.

Approaching Hastings from the north-east, the SH 51 designation ends in the outskirts of Hastings at the Kenilworth Road intersection. The route continues into central Hastings as Karamu Road North.

Major intersections

Territorial authorityLocationkmjctDestinationsNotes
Napier CityOnekawa0 SH 2 north (Hawke's Bay Expressway) / SH 50 north (Hawke's Bay Expressway)Taupō, Gisborne
SH 2 south (Hawke's Bay Expressway) / SH 50 south (Hawke's Bay Expressway)Hastings
Taradale Road – Tamatea
SH 51 begins
39°30′38″S 176°52′36″E
Marewa2.3Palmerston North–Gisborne Line
2.4 Hyderabad Road – Port, Taupō, Gisborne, TamateaTo ()
2.9
Thackeray Street – City Centre
3.0Palmerston North–Gisborne Line
Te Awa5.1Palmerston North–Gisborne Line

Marine Parade – City Centre
Awatoto10.9Tutaekuri River
Hastings DistrictPakowhai
Clive11.6Ngaruroro River
13.4Clive River
14.2Mill Road – Haumoana, Te AwangaMill Road provides a route to Cape Kidnappers from Napier
Mangateretere18.3Pilcher Road – Waimārama, Haumoana
Napier Road – Havelock North
Whakatu Arterial Link – Whakatu
Pilcher Road provides a route to Cape Kidnappers from Hastings
Whakatu Arterial Link provides a route to SH 2 (Hawke's Bay Expressway)
Waipatu21.2Kenilworth RoadSH 51 ends
39°37′55″S 176°51′52″E
Route continues into central Hastings as Karamu Road North
Mayfair

See also

References

  1. "Hawke's Bay's state highways to be renumbered in August". NZ Transport Agency. 18 July 2019. Retrieved 21 August 2019.
  2. "Revoking State Highway—State Highway No. 2, Hawke's Bay Region". NZ Gazette. 4 August 2005. Retrieved 21 August 2019.
  3. "Revoking Section of State Highway 2 and Declaring a Section of State Highway 50, Napier City". NZ Gazette. 26 June 2019. Retrieved 21 August 2019.
  4. "Renumbering Hawke's Bay state highway network". NZ Transport Agency. 18 July 2019. Retrieved 21 August 2019.
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