Ngauranga Interchange - History

History

Before the construction of the Wellington Urban Motorway, the interchange composed of a single set of traffic lights between Hutt Road (SH2) and Centennial Drive (SH1).

On opening of the Wellington Urban Motorway in 1969, the interchange was modified to a fork. Traffic from SH2 could exit for Hutt Road and SH1, or could proceed straight for the motorway. Traffic from SH1 stopped at the traffic lights, and could turn right for Hutt Road and Wellington, or turn left for the SH2 and the Hutt Valley. SH1 traffic could not access the motorway.

In 1984, two new ramps opened, allowing traffic from SH1 to access the motorway. This is how the exchange is today.

List of motorways and expressways in New Zealand
Auckland
  • Northern Motorway
  • Northwestern Motorway
  • Southern Motorway
  • Southwestern Motorway
  • Upper Harbour Motorway
Wellington
  • Johnsonville–Porirua Motorway
  • Wellington Urban Motorway
  • Hutt Valley Expressway
Rest of North Island
  • Waikato Expressway
  • Hawkes Bay Expressway
  • Pyes Pa - Mount Maunganui Expressway
South Island
  • Christchurch Northern Motorway
  • Christchurch Southern Motorway
  • Christchurch-Lyttelton Motorway
  • Dunedin-Waitati Highway
  • Dunedin Southern Motorway
Past motorways/expressways
  • Wanganui Metropolitan Motorway
  • Dunedin Northern Motorway
Future motorways/expressways
  • Wellsford to Puhoi Motorway
  • Penlink
  • Second Harbour Crossing
  • Waterview Connection
  • Transmission Gully Motorway
  • Kapiti Expressway
  • Tauranga Eastern Motorway
  • Christchurch Southern Motorway
Major infrastructure
  • Northern Gateway Toll Road
  • Upper Harbour Bridge
  • Northern Busway, Auckland
  • Auckland Harbour Bridge
  • Victoria Park Tunnel and Viaduct
  • Central Motorway Junction
  • Newmarket Viaduct
  • Mangere Bridge
  • Tauranga Harbour Bridge
  • Ngauranga Interchange
  • Terrace Motorway Tunnel
  • Lyttelton Road Tunnel

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