The future of a highway project to connect Manukau to Drury South looks bleak.

The Government's unveiled an almost 25-billion dollar transport plan for the next three years - including 7.3-billion for Auckland.

Some funding has only been roughly allocated to projects so far, but Mill Road is notably off the list.

Transport Minister Michael Wood says the cost of the original plans had inflated to 3.5 billion dollars.

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