BBO were engaged by Transit New Zealand in 1998 as consultant for the completion of investigation, design and construction administration/surveillance for the Mercer to Long Swamp Expressway project. The four laning of 12km of SH1 included two interchanges, six bridges, four intersections, 1km of rail deviation, and 1,700,000m³ of earthworks. BBO’s role included survey, stakeholder…
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Mercer to Longswamp Expressway
