The Johnsonville–Porirua Motorway is a motorway in Wellington

Wellington

Wellington is the capital city and third most populous urban area of New Zealand, although it is likely to have surpassed Christchurch due to the exodus following the Canterbury Earthquake. It is at the southwestern tip of the North Island, between Cook Strait and the Rimutaka Range...

, New Zealand

New Zealand

New Zealand is an island country in the south-western Pacific Ocean comprising two main landmasses and numerous smaller islands. The country is situated some east of Australia across the Tasman Sea, and roughly south of the Pacific island nations of New Caledonia, Fiji, and Tonga...

. It forms part of State Highway 1, the main route of traffic in and out of the city.

The motorway runs from Johnsonville

Johnsonville

-Geography:United States*Johnsonville, California, former name of Bear Valley, Mariposa County, California*Johnsonville, Illinois*Johnsonville, Indiana*Johnsonville, New York*Johnsonville, South Carolina*Johnsonville, Wisconsin, an incorporated village...

, in the north of Wellington City

Wellington City

Wellington City Council is a territorial authority in the Wellington region of New Zealand. Wellington city extends as far north as Linden, and includes the rural areas of Makara and Ohariu. It is New Zealand's third-largest city, behind Auckland and Christchurch.Wellington attained city status in...

 proper, to Porirua

Porirua

Porirua is a city in the Wellington Region of New Zealand, immediately north of the city of Wellington, with their central business districts 20 km apart. A large proportion of the population commutes to Wellington, so it may be considered a satellite city. It almost completely surrounds...

. It is approximately 11 kilometres long, and mostly flat. At its southern end, it is connected to the Wellington Urban Motorway

Wellington Urban 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 six lanes wide, and extends from the base of the Ngauranga Gorge into the Wellington CBD....

 through Ngauranga Gorge

Ngauranga Gorge

The Ngauranga Gorge is in the Wellington Region of New Zealand. State Highway 1 runs through the gorge, a vital link between Wellington City and the Kapiti Coast and the main route north out of Wellington. It is 2 kilometres long and has a grade of approximately 8%...

 — this connection is not considered motorway, meeting most but not all of the criteria. If the Transmission Gully Motorway

Transmission Gully Motorway

The Transmission Gully Motorway is a 26 km motorway proposed for Wellington, New Zealand.-Route:It is planned to replace the current State Highway 1 along the coast road between the Kapiti Coast, Pukerua Bay and Porirua...

 is built, it would connect to the Johnsonville–Porirua Motorway near its northern end.

The first section of the motorway, running for three miles (5 km) from Johnsonville to Takapau Road at the southern edge of Tawa, was opened on Saturday 23 December 1950
. It bypassed a winding two-lane road now called Middleton Road, through Glenside

Glenside

-Places:* Glenside, South Australia, a suburb of Adelaide* Glenside, Saskatchewan, Canada, a village* Glenside No. 377, Saskatchewan, a rural municipality* Glenside, Bristol, a campus of the University of the West of England** Glenside Museum...

. It was New Zealand's first motorway.

Exit list

Territorial authority	Location	Destinations	Notes
Terminates onto State Highway 1 at Mungavin Ave - Titahi Bay Road interchange
Porirua City	Porirua CBD	Porirua City Centre, Eastern Porirua, Titahi Bay Titahi Bay Titahi Bay is a suburb of Porirua in the North Island of New Zealand. It is located at the foot of a short peninsula along the west coast of the Porirua Harbour, to the north of Porirua city centre. The suburb's population in 2006 was 7,527... , Kenepuru Kenepuru Kenepuru is a primarily industrial suburb of the city of Porirua in New Zealand. It lies immediately southwest of the Porirua city centre.Kenepuru Hospital, the main hospital complex for Porirua is located here.-Education:...
Wellington City Wellington City Wellington City Council is a territorial authority in the Wellington region of New Zealand. Wellington city extends as far north as Linden, and includes the rural areas of Makara and Ohariu. It is New Zealand's third-largest city, behind Auckland and Christchurch.Wellington attained city status in...	Redwood Redwood, Wellington Redwood is a part of Tawa, a suburb of Wellington, New Zealand. It is on the North Island Main Trunk Railway and is served by two stations, Redwood Railway Station and Takapu Road Railway Station. The Redwood subdivision was built on land acquired from the Catholic Church, on the condition that...	Tawa Tawa, New Zealand Tawa is the northernmost suburb of Wellington located between Churton Park and Porirua in the North Island of New Zealand. It takes its name from the broadleaf tree, which was once prolific throughout the area, although its most famous tree is the Bucket Tree, a group of large macrocarpa with the... , Grenada North
	Glenside Glenside, New Zealand Glenside is a suburb of Wellington, New Zealand. It is bounded by Tawa to the North, Churton Park to the West/South and Grenada Village across the motorway to the East.Glenside was first settled in 1840. Ngāti Toa are the mana whenua...	Churton Park Churton Park Churton Park is a suburb located 1.5 km north of Johnsonville in the Northern Suburbs district of Wellington, the capital city of New Zealand. It was established in the 1970s, and has a population of 6,260 residents....
	North of Johnsonville Johnsonville, New Zealand Johnsonville is a large suburb in northern Wellington, New Zealand. It is seven kilometres north of the city centre, at the top of the Ngauranga Gorge, on the main route to Porirua . The population of "J'ville" was about 6,500 at the 2001 census.- Public transport :Johnsonville is a reasonably...	Johnsonville, Khandallah Khandallah Khandallah is a suburb of Wellington, the capital city of New Zealand. It is located four kilometres northeast of the city centre, on hills overlooking Wellington Harbour....	southbound exit only
	South of Johnsonville	Johnsonville, Khandallah Khandallah Khandallah is a suburb of Wellington, the capital city of New Zealand. It is located four kilometres northeast of the city centre, on hills overlooking Wellington Harbour....	northbound exit only
	Top of Ngauranga Gorge Ngauranga Gorge The Ngauranga Gorge is in the Wellington Region of New Zealand. State Highway 1 runs through the gorge, a vital link between Wellington City and the Kapiti Coast and the main route north out of Wellington. It is 2 kilometres long and has a grade of approximately 8%...	Newlands Newlands, New Zealand Newlands is one of the northern suburbs of Wellington, New Zealand. It lies approximately 8km north of the city centre and to the east of its nearest neighbour Johnsonville. Newlands is located in a valley and covers two ridgelines, the side of one of which overlooks Wellington Harbour and up to... , Woodridge, Grenada Village
Terminates onto Centennial Highway at the top of the Ngauranga Gorge