A public call to relax rules for safer crossing of Auckland's bus lanes has been rejected by the country's land transport agency.

The Government's latest announcement on Queen's Wharf has the support of Auckland's regional and city council.

Auckland drivers have been fined $4.2m in a year for using bus lanes - even though there's no sign when they can enter lanes to turn left.

As MPs and the Auckland Regional Couincil butt heads over plans for "party central" on the city's Queens Wharf, John Key says he wants constructive discussions.

The $32m Viaduct Events Centre under construction is being put forward as an alternative "party central" for the RWC.

Rugby World Cup Minister Murray McCully has vented his frustration at the ARC's U-turn over the development of Queens Wharf.

The Prime Minister says he cannot see how the council could afford to restore a 98-year-old cargo shed.

John Key's dream of turning Queens Wharf into "party central" for the Rugby World Cup is in tatters following a political impasse between the Govt and the ARC.

Auckland voters will face quite a dilemma if the mayoralty of the new Super City stays an effective two-horse race.