Question: What major intersection of Regency Road in Adelaide is the major north-south arterial route through the suburbs north of the Adelaide City Centre in the city of Adelaide, South Australia?

Context paragraphs:
Winnipeg Route 52: Route 52 is a major north-south arterial route in Winnipeg, Manitoba.  It comprises all of Main Street, Queen Elizabeth Way, and St. Mary's Road.

Winnipeg Route 62: Route 62 is a major north-south arterial route in Winnipeg, Manitoba that has eight different street names.

North-South Motorway: The North-South Motorway (previously known as the South Road Superway) is an elevated motorway in the northern suburbs of the South Australian capital city of Adelaide.  It has been constructed over a 4 km section of South Road as part of a long term plan to upgrade this road into a non-stop north-south route.  At a cost of A$812 million, the motorway is the biggest single investment in a road project in South Australia’s history.  The North-South Motorway is stage two of the North–South Corridor upgrade and delivers a 4.8 kilometre section of freeway grade road, including a 2.8 kilometre elevated roadway, from the Port River Expressway to Regency Road.  Along the way, it passes over the Dry Creek-Port Adelaide railway line, Cormack Road, Grand Junction Road and Days Road, with exits at Grand Junction Road and Days Road.

Electoral district of Adelaide: Adelaide is an electorate for the South Australian House of Assembly.  The 23.4 km² state seat of Adelaide currently consists of the Adelaide city centre including North Adelaide and suburbs to the inner north and inner north east: Walkerville, Gilberton, Medindie, Medindie Gardens, Thorngate, Fitzroy, Ovingham, most of Prospect up to Regency Road, and parts of Collinswood and Nailsworth.  The boundaries have been the same for the past three elections.  The federal division of Adelaide covers the state seat of Adelaide and additional suburbs in each direction.

Winnipeg Route 20: Route 20 (known locally as Lagimodière Boulevard) is a major north-south arterial route in the city of Winnipeg, Manitoba, Canada.  It is also part of Manitoba Highway 59, the only Provincial Trunk Highway (other than the Trans-Canada Highway) that crosses through the city.

Regency Road, Adelaide: Regency Road, formerly Islington Road, Irish Harp Road and Rakes Road is a main east-west road connecting the inner northern suburbs of Adelaide, South Australia.  Located approximately 6 km north of the city centre, it spans from Arndale Shopping Centre, Kilkenny in the west, to Broadview in the east, continuing eastwards as Muller Road, to end at North East Road in Klemzig.  Regency Road has major intersections at Torrens Road, South Road, Churchill Road, Prospect Road, Main North Road and Hampstead Road.

Main North Road: Main North Road is the major north-south arterial route through the suburbs north of the Adelaide City Centre in the city of Adelaide, South Australia.  It continues north through the settled areas of South Australia and is a total of 307 km long, from North Adelaide to 21 km out of Port Augusta.  It follows the route established in the early years of the colony by explorer John Horrocks and was a major route for farmers and graziers to reach the capital, passing through rich farmland and the Clare Valley wine region.  In 2011, the section of road between Gawler to Wilmington was renamed Horrocks Highway.

Winnipeg Route 90: Route 90 is a major north-south arterial route in Winnipeg, Manitoba, Canada.  It begins at the South Perimeter Highway (PTH 100) and ends at the city's northwest limit, where it continues north as PTH 7.  Route 90 is designated as the city's airport route, as it passes by Winnipeg James Armstrong Richardson International Airport.

Glen Osmond, South Australia: Glen Osmond is a suburb of Adelaide, South Australia in the City of Burnside which is in the foothills of the Adelaide Hills.  It is well known for the road intersection on the western side of the suburb, where the South Eastern Freeway (National Route M1) from the Adelaide Hills and the main route from Melbourne splits into National Route A17 Portrush Road (north, the main route towards Port Adelaide), Glen Osmond Road, Adelaide (northwest towards Adelaide city centre) and state route A3 Cross Road west towards the coast and southern suburbs.

Dunhua Road: Dunhua Road (), consists of Dunhua North Road () and Dunhua South Road (), also called 12th Ave, is a major north-south arterial in Taipei, Taiwan.  It connects the Songshan Airport and the Songshan District in the north with the Da'an District in the south, near the National Taiwan University.  Dunhua Road is known as one of Taipei's more beautiful arterials, mainly because of the large, landscaped medians dividing the express and local lanes of the arterial.  The arterial channels traffic coming to and from Songshan Airport throughout Taipei.  Dunhua Road is divided into north and south sections (as determined by Bade Road), with two numbered sections in the south and no numbered sections in the north.

Supporting paragraphs: Regency Road, Adelaide Main North Road
Answer: Main North Road