Minister for Rail Winston Peters believes the binned iRex ferry plan would have meant major infrastructure issues that are no longer a worry.

He's announced the two new Interislander ferries are expected to come in on time and under budget, for less than $2 billion.

Peters told Mike Hosking Tasmania is struggling with two new ferries and no infrastructure and he doesn't want to see the same problems here.

He said he got a really hard-nosed, tough, experienced team to sort out the ferry plan, and they’ve done a marvellous job.

“In less than 11 months they have put together a solution at all ends.”

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