NZ Land Transport NZ (NZLTA), have committed to start the Cambridge Bypass section of the Expressway or "the motorway". The site following note has been taken from their website.
Construction of the SH1 Cambridge Bypass was indicated in Transit's current 10-year State Highway Plan and Forecast as starting between 2011 and 2016. This is subject to community consultation, Resource Management Act approvals, land purchase, and funding. Construction is expected to take three to four years.