State Highway 1 is the longest and most significant road in the New Zealand road network, running the length of both main islands. It appears on road maps as SH 1 and on road signs as a white number 1 on a red shield, but it has the official designations SH 1N in the North Island, SH 1S in the South Island.
State Highway 7 is a major New Zealand state highway. One of the eight national highways, it crosses the Southern Alps to link the West Coast Region with Canterbury and to form a link between the South Island's two longest highways, State Highway 1 and State Highway 6. Distances are measured from east to west with the major junction list going from east to west.
State Highway 6 is a major New Zealand state highway. It extends from the northeastern corner of the South Island across the top of the island, then down the length of the island, initially along the West Coast and then across the Southern Alps through inland Otago and finally across the Southland Plains to the island's south coast. Distances are measured from north to south.
State Highway 38 is a road in the North Island of New Zealand that starts from SH 5 near Waiotapu, and ends at Wairoa, where it connects to SH 2. It is the shortest connection from the central North Island (Rotorua) to the East Coast (Gisborne), but it is not often used as such. Large parts of the road are narrow and winding, and about 74 kilometres (46 mi) is unsealed. Travel on this highway takes roughly four hours.
State Highway 73 is a major east-west South Island state highway in New Zealand connecting Christchurch on the east coast with Cass/Hokitika via the Southern Alps. It is mostly two lane, with some single-lane bridges north of Springfield but is mostly dual carriageway in Christchurch. The fourth and fifth-highest points of New Zealand's state highway network are on this road at Porters Pass and Arthur's Pass respectively.
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 11 (SH 11) is a 30 kilometre stretch of highway in the North Island of New Zealand. It links SH 10 at Puketona and SH 1 at Kawakawa. Its main destination is the Bay of Islands township of Paihia. Until 2004, it terminated at Tohitapu Road, in southern Paihia township.
State Highway 79 (SH 79) is a New Zealand state highway connecting the South Canterbury communities of Rangitata, Geraldine, and Fairlie. Starting at State Highway 1 the highway is 61 kilometres in length and runs in a general east-west direction. 6.3 km of the highway through Geraldine runs concurrently with the Inland Scenic Route, formerly State Highway 72. The road is a two-lane single carriageway, with a one-lane bridge crossing the Orari River.
State Highway 60 is a state highway servicing the far northwest of the South Island of New Zealand. Running between the settlements of Richmond and Collingwood, it is 116 kilometres (72 mi) long and lies entirely within the Tasman District. It is the northernmost highway in the South Island and is a popular tourist route, servicing Motueka, Abel Tasman National Park, Golden Bay, and Farewell Spit.
State Highway 62 is a state highway servicing the northeastern parts of the South Island of New Zealand. Located entirely within the wine-producing Marlborough region of New Zealand, SH 62 provides a northern bypass of Blenheim, connecting the towns of Spring Creek with Renwick via the locality of Rapaura.
State Highway 28 (SH 28) is a New Zealand state highway in the Waikato region. The highway was gazetted in 1997 as a faster route for traffic travelling between SH 1 and SH 29 towards the Port of Tauranga. Prior to the formation of SH 28 the quickest route, only if using state highways, was via Tirau and SH 27. There are no towns on this route and due to the highway being mapped to existing rural roads there are several places were motorists need to give way to traffic from other roads.
State Highway 35 (SH 35) is a New Zealand state highway on the East Coast of the North Island. It is the main highway that services the East Cape of New Zealand as well as many other rural towns such as Hicks Bay, Ruatoria, Tolaga Bay, and the city of Gisborne.
State Highway 25 is a North Island state highway in New Zealand that loops around the Coromandel Peninsula. It is a major route for holidaymakers and tourists which has access to some of New Zealand's most idyllic beach holiday spots. The summer period around Christmas and New Year's Eve is a particularly busy period for the highway. The road is very scenic, but also windy in many parts as well as single carriage on the entire route, and is prone to accidents. It is New Zealand's third longest two-digit state highway, after SH 35 and SH 94. It is part of the Pacific Coast Highway.
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 24 (SH 24) is a New Zealand state highway in the Waikato region. The highway was gazetted in 1997 and forms a short cut between the Piako District and SH 29 towards the Port of Tauranga.
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.
State Highway 46 (SH 46) is a New Zealand state highway in the central North Island.
