Traffic was flowing well at about 2pm yesterday but was expected to become heavy by about 4pm.
The national road toll stood at three last night with the official holiday period ending at 6am this morning.
Temuka man Stephen Kirkcaldie, 55, died in a collision with a car just north of Timaru as he was cycling home from work at 6pm on Thursday night.
Anthony King, 53, from Paraparaumu Beach, was killed when the Suzuki vehicle he was a passenger in collided with a BMW on State Highway 5 at Wairakei, north of Taupo at 2am on Saturday.
The same night, Hannah Eaton, 25, was killed when her BMW hit an oncoming Ford Territory SUV at Puriri, south of Thames.