Design
The interchange connects State Highways 1 and 2 to the Wellington Urban Motorway.
Southbound traffic on SH1 may continue onto the Wellington Urban Motorway or exit before the interchange and proceed through the adjacent intersection to Hutt Road or to SH2.
Southbound traffic on SH2 may continue onto the Wellington Urban Motorway or exit before the interchange and proceed through the intersection to Hutt Road or to SH1.
Northbound Wellington Urban Motorway traffic may proceed straight ahead for SH2 or veer left for SH1 at the interchange.
Similarly northbound Hutt Road traffic may proceed straight ahead for SH2 or veer left for SH1 at the intersection.
Hutt Road and the Wellington Urban Motorway run parallel to each other from Wellington to Ngauranga.
The Bronx River Parkway is a 19.12-mile (30.77 km) long parkway in downstate New York in the United States. It is named for the nearby Bronx River, which it parallels. The southern terminus of the parkway is at Story Avenue near the Bruckner Expressway in the Bronx neighborhood of Soundview. The northern terminus is at the Kensico Circle in Valhalla, Mount Pleasant, Westchester County, where the parkway connects to the Taconic State Parkway and, via a short connector, New York State Route 22 (NY 22). Within the Bronx, the parkway is maintained by the New York State Department of Transportation and is designated New York State Route 907H (NY 907H), an unsigned reference route. In Westchester County, the parkway is maintained by the Westchester County Department of Public Works and is designated unsigned County Route 9987 (CR 9987).
The M40 motorway links London, Oxford and Birmingham, a distance of approximately 89 miles (143 km).
Interstate 579 (I-579) is a north–south Interstate Highway entirely within Pittsburgh, Pennsylvania. The highway is 1.57 mi (2.53 km) long. I-579 is also known as the Crosstown Boulevard since it crosses the backside of Downtown Pittsburgh.
A single-point urban interchange, also called a single-point interchange (SPI) or single-point diamond interchange (SPDI), is a type of highway interchange. The design was created in order to help move large volumes of traffic through limited amounts of space safely and efficiently.
In the field of road transport, an interchange is a road junction that uses grade separation, and typically one or more ramps, to permit traffic on at least one highway to pass through the junction without interruption from other crossing traffic streams. It differs from a standard intersection, where roads cross at grade. Interchanges are almost always used when at least one road is a controlled-access highway or a limited-access divided highway (expressway), though they are sometimes used at junctions between surface streets.
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.
The Terrace Tunnel takes the Wellington Urban Motorway (SH1) under The Terrace in central Wellington, New Zealand. Opened in 1978, it is 460 metres in length.
The Auckland Northern Motorway in the Auckland Region of New Zealand links central Auckland City and Puhoi in the former Rodney District via the Hibiscus Coast and North Shore. It is part of State Highway 1.
The Auckland Southern Motorway is the major route south out of the Auckland Region of New Zealand. It is part of State Highway 1.
The Ngauranga Gorge is in the Wellington Region of New Zealand. State Highway 1 runs through the gorge, a vital link between central Wellington City and its northern suburbs and Porirua City and the Kapiti Coast; it is the main route north out of Wellington. It is 2 kilometres (1.2 mi) long and has a grade of approximately 8 percent. Sixty-five thousand vehicles a day travel through it, and it connects the Wellington Urban Motorway with the Johnsonville–Porirua Motorway.
The Wellington Urban Motorway, part of SH 1, is the major road into and out of Wellington, New Zealand. It is 7 km long, ranges from three to seven lanes wide, and extends from the base of the Ngauranga Gorge into the Wellington CBD.
U.S. Route 1 is a major north–south U.S. Highway, extending from the Florida Keys in the south to the Canadian border in the north. In the U.S. state of Pennsylvania, US 1 runs for 81 miles (130 km) from the Maryland state line near Nottingham to the New Jersey state line near Trenton, through the southeastern portion of the state. The route runs southwest to northeast, and serves as a major arterial road for many of the suburbs in the Delaware Valley area. South of Philadelphia, the road mostly follows the alignment of the old Baltimore Pike. Within Philadelphia, it mostly follows Roosevelt Boulevard.
Ngauranga railway station is a single island platform railway station in the mainly industrial and commercial suburb of Ngauranga on the Wairarapa Line in Wellington, New Zealand. It is on the Wellington suburban rail network and is served by Melling Line trains and some only Hutt Valley Line trains. Wairarapa Connection trains pass this station but do not stop. All trains are run by Transdev as part of the Metlink network.
The Dunedin Southern Motorway is the main arterial route south from the South Island city of Dunedin, part of New Zealand's State Highway 1. It is one of the world's southernmost motorways.
The Johnsonville–Porirua Motorway is a motorway in Wellington, New Zealand. It forms part of State Highway 1, the main route of traffic in and out of the city. Completed in the 1950s, it was New Zealand's first motorway.
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 Hutt Expressway is a 3-4 lane divided highway running from the Wellington Urban Motorway at the Ngauranga, past Lower Hutt and central Upper Hutt, to the intersection with Fergusson Drive in Maoribank in north-eastern Upper Hutt. State Highway 2 officially continues north of Maoribank to Te Marua, Kaitoke, and over the Rimutaka Hill to Wairarapa, but this section is two lanes undivided and is covered in the main State Highway 2 article. The names Hutt Expressway and Hutt Motorway are not official, and actually refers to three different roads: Hutt Road from the Ngauranga Interchange to the Petone Overbridge, Western Hutt Road from the Petone Overbridge to the Silverstream Bridge, and River Road from Silverstream Bridge to Maoribank.
State Highway 16 is a New Zealand state highway linking central Auckland with Wellsford, via Auckland's Northwestern Motorway, Helensville and Kaukapakapa. It provides an alternative to State Highway 1 for traffic travelling between Auckland and parts of Northland from Wellsford northwards.
A wide variety of road signs are displayed in the People's Republic of China. China's traffic signs also closely followed those used in Europe, the US, and Japan. China's traffic signs use the Highway Gothic font just like the US.
