Drivers give Transmission Gully mixed reviews as it officially opens

Wellington's brand new Transmission Gully officially opened to drivers on Thursday morning but it has been met with mixed reactions from road users.

The $1.25 billion project has been riddled with delays and was originally due to open in April 2020.

The road opening has been delayed six times before it was officially opened with a ribbon-cutting ceremony on Wednesday morning to celebrate the 27km motorway between Wellington and Kāpiti.

AM reporter Ashleigh McCaull said some drivers have been happy with the reduction in time in their morning commute while others have complained about the road quality.

"The majority of the people I have spoken to this morning say they have enjoyed driving along the new road and are happy it's completed after two years," she told AM from an off-ramp on Transmission Gully.

"Not everyone is so happy, there have been other commuters who have yelled out their car saying the road is bumpy, some have got stone chips in their cars and parts of the roads are quite rough."

One driver told Newshub the poor road quality had allegedly caused his car windscreen to smash.

"I like the concept but parts of it are like driving on corrugated iron and I now have a smashed windscreen, stones flicking everywhere, they have stuffed this one up," he said.