How is the Warkworth Highway faring?

It's been two and a half weeks since the Ara Tuhono Puhoi to Warkworth motorway opened to drivers. The project cost nearly a billion dollars, and extends Auckland's Northern Motorway from Johnstones Hill Tunnel to just north of Warkworth. Our reporter Leonard Powell hit the road to see how Warkworth is faring without State Highway One traffic.