sentences:  KiwiRail requested that any tunnel construction not preclude rail above it in the future, nor the possibility of rail being trenched to cross below New North Road to connect to the existing North Auckland Line.Passive open space will be lost during construction of the motorway to construction lay down areas and lost permanently where the motorway & associated structures are built.NZTA has proposed replacement passive open space below & around the Waterview interchange ramps, and the existing privately owned empty site adjoining Alan Wood Park and future surface motorway.