A bold new transport plan pitched as a cheaper, faster replacement for Let's Get Wellington Moving has attracted the interest of city leaders.

It features a mega-tunnel, demolition of heritage buildings, ditching Light Rail and a host of other changes.

Greg Pollock, the capital’s former public transport boss, will pitch his plan this week.

He says it's clear Wellington needs a better transport system that suits the needs of the people.

"I think for a billion dollars, we could do a huge amount improving bus lanes, electrifying the bus fleet and just doing the basics really well to work for the people in Wellington."

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