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  • Listed
  • Applied
  • Comments
  • Panel considering
  • Decision

Project summary

Widen the existing rail corridor and expand the North Island Main Trunk between Westfield Junction (Newmarket) and Pukekohe (approximately 38 kilometres) from a 2-track to 4-track railway, including:

  • grade-separating Westfield Junction

  • widening bridges, removing level crossings, and changing the configuration of station platforms

  • new track, signals, and electrified lines.

Project location

38 kilometres of the North Island Main Trunk between Westfield Newmarket and Pukekohe.

Project listing application

Four Tracking Westfield to Pukekohe application – Ministry for the Environment website