It's expected to be a busy day on the roads, as many people return home from their summer break.
(file pic) Photo: AFP
Traffic heading into Wellington, Auckland, and Christchurch is currently free flowing.
But a spokesperson for Waka Kotahi says the roads are likely to be busy later on, and there will be delays.
It also says in a tweet that the Mangamuka Gorge on SH1 in Northland will close from midnight so that slip repair works can resume.
The section of the highway has been open as a single lane for light vehicles for three weeks over the Christmas / New Year period.
Eleven people died on the roads over Christmas and New Year, which is the highest number in four years.