The wheels are in motion for South Auckland's Mill Road project.
Transport Minister Chris Bishop has announced $91.1 million has been approved for completing design and consent work on the Manukau to Alfriston sections.
It includes a four-lane general traffic corridor, with a westbound bus lane at the northern end.
Bishop says the road will be tolled - allowing the road users to help pay the cost of the road.
"All the new Roads of National Significance that we want to build around the country - we said, as a starting point, they will be tolled, because that's a way of bringing forward the investment."
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