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|---|---|---|---|---|
| Route information | ||||
| Maintained by NZ Transport Agency | ||||
| Length | 21.2 km (13.2 mi) | |||
| Major junctions | ||||
| North end |   | |||
| South end | Kenilworth Road in Hastings | |||
| Location | ||||
| Primary destinations | Clive | |||
| Highway system | ||||
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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.
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 State Highway 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(6.1 mi) of SH 2 between the northern outskirts of Hastings and the southern terminus of the expressway at Pakipaki was revoked in 2005.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 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.
State Highway 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.
| Territorial authority | Location | km | jct | Destinations | Notes |
|---|---|---|---|---|---|
| Napier City | Onekawa | 0 |  |   | SH 51 begins 39°30′38″S176°52′36″E / 39.510598°S 176.876623°E |
| Marewa | 2.3 |  | Palmerston North–Gisborne Line | ||
| 2.4 | | | To ( | ||
| 2.9 |   | Thackeray Street – City Centre | |||
| 3.0 | | Palmerston North–Gisborne Line | |||
| Te Awa | 5.1 | | Palmerston North–Gisborne Line | ||
  | Marine Parade – City Centre | ||||
| Awatoto | 10.9 |  | Tutaekuri River | ||
| Hastings District | Pakowhai | ||||
| Clive | 11.6 | | Ngaruroro River | ||
| 13.4 | | Clive River | |||
| 14.2 |  | Mill Road – Haumoana, Te Awanga | Mill Road provides a route to Cape Kidnappers from Napier | ||
| Mangateretere | 18.3 | | Pilcher Road – Waimarama, 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 | |
| Waipatu | 21.2 |  | Kenilworth Road | SH 51 ends 39°37′55″S176°51′52″E / 39.631864°S 176.864487°E Route continues into central Hastings as Karamu Road North | |
| Mayfair | |||||
Napier is a New Zealand city with a seaport, located in Hawke's Bay on the eastern coast of the North Island. The population of Napier is about 63,900 as of the June 2018. About 18 kilometres (11 mi) south of Napier is the inland city of Hastings. These two neighbouring cities are often called "The Bay Cities" or "The Twin Cities" of New Zealand. The total population of the Napier-Hastings Urban Area is 134,500 people, which makes it the sixth-largest urban area in New Zealand, closely followed by Dunedin (122,000), and trailing Tauranga (141,600).
Hastings is a New Zealand city and is one of the two major urban areas in Hawke's Bay, on the east coast of the North Island of New Zealand. The population of Hastings is 70,600, with 45,000 living in the contiguous city and Flaxmere, 13,950 in Havelock North, 2,210 in Clive, and the remainder in the peri-urban area around the city. Hastings is about 18 kilometres inland of the coastal city of Napier. These two neighbouring cities are often called "The Bay Cities" or "The Twin Cities".
The New Zealand state highway network is the major national highway network in New Zealand. Nearly 100 roads in the North and South Islands are state highways. All state highways are administered by the NZ Transport Agency.
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The Napier-Hastings Urban Area lies mostly on the Heretaunga Plains of the Hawke's Bay Region in New Zealand and is a conurbation surrounding the twin cities of Napier and Hastings. It is the sixth most populous urban area in the country, with 134,500 residents, just slightly fewer than Tauranga (141,600) and more than Dunedin (122,000).
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State Highway 20, also known as the Southwestern Motorway, is a New Zealand state highway linking State Highway 1 at Manukau City Centre with State Highway 16 in Point Chevalier, via Mangere and Onehunga. Along with its spurs, State Highway 20A and 20B, the state highway serves Auckland Airport, the country's largest, therefore making State Highway 20 a key arterial route connecting the airport to the wider Auckland region and most of the upper North Island. The route also forms the southern part of the Western Ring Route, a 48 kilometres (30 mi) motorway route bypassing central Auckland. It is the only New Zealand State Highway that is entirely motorway.
State Highway 5 is the second shortest of New Zealand's eight national highways. It extends from SH 1 at Tirau, on the plains of the Waikato River, to SH 2, close to the Hawke Bay coast at Bay View, 10 km north of Napier. Distances are measured from north to south.
State Highway 2 runs north–south through eastern parts of the North Island of New Zealand from the outskirts of Auckland to Wellington. It runs via Tauranga in the Bay of Plenty, Gisborne, and Napier and Hastings in Hawke's Bay. It is the second-longest highway in the North Island, after State Highway 1, which runs the length of both of the country's main islands.
The Waikato Expressway is a dual carriageway section of State Highway 1 in the Waikato region of the North Island of New Zealand that is being constructed in stages. It forms part of the link between Auckland and Hamilton. When completed it will stretch 116 km (72 mi) and be 6 km (3.7 mi) shorter than the roads it replaced.
The Hawke's Bay Expressway, known also as the Napier-Hastings Expressway, runs from Hawke's Bay Airport passing through Napier and Taradale, west of Hastings, and ends at Pakipaki just south of Hastings, a total length of 24km.
The Tauranga Eastern Link (TEL) is a four lane motorway in the Bay of Plenty region in New Zealand, covering 23 km from Te Maunga junction in Tauranga to Paengaroa. It was officially opened on 30 July 2015. It replaced a section of State Highway 2, improving access to Tauranga from the east and south. It became the main route for trucks heading to the Port of Tauranga from Rotorua and the eastern Bay of Plenty, and connected the Central Plateau forestry industry with the port to facilitate lumber export.
State Highway 74 is a state highway in New Zealand servicing the eastern suburbs of Christchurch. Mostly two-lane, it is composed of limited-access expressways, with part of the highway as the Christchurch-Lyttelton Motorway, and connects the city to its port town of Lyttelton.
State Highway 57 is a New Zealand state highway, linking State Highway 1 north of Ohau to State Highway 3 east of Ashhurst, via Levin, Shannon, Massey University and the southern suburbs of Palmerston North. The highway connects State Highway 1 traffic coming north from Wellington to the city of Palmerston North, and further to the Manawatu Gorge, allowing passage to the eastern side of the North Island and to the twin cities of Napier and Hastings. The highway is classified by the NZTA as a national strategic road.
State Highway 50 (SH 50) is a New Zealand state highway that runs through the Hawke's Bay Region.
State Highway 39 (SH 39) is a New Zealand state highway that forms a western bypass of the city of Hamilton. Gazetted in 1999, it is a generally quicker route to get between Auckland and New Plymouth as well as connecting to the Waitomo Caves, just south of the SH 39 southern terminus. The southernmost 14 km section has a concurrency with SH 31, as this highway has existed for much longer.
State Highway 15 (SH 15) is a New Zealand state highway in the Northland region of the North Island. It is 126.5 km long and provides an alternative route to SH 1 between the Kaikohe and Whangarei areas; a spur also links SH 1 with the Marsden Point Oil Refinery and Northport.
State Highway 36 (SH 36) is a New Zealand state highway in the Bay of Plenty region in the North Island. It is one of two state highways that form a north-south connection between the cities of Tauranga and Rotorua, SH 36 being the most westerly of the two. It was identified as a quicker route to access the two cities and extensive work was done to upgrade the rural route to state highway quality.
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| Former state highways | ||
| Touring routes | ||
