Rodney Hide says an email alleging he might end ACT's relationship with National if it agrees to Maori seats on the new 'super city' council is wrong.

The agency designing Auckland's Super City has found savings worth hundreds of millions in a week, says Local Government Minister Rodney Hide.

Prime Minister John Key has announced that construction will begin by summer on the first legs of his national cycleway.

Sir Roger Douglas says Auckland should be run more by community councils.