Meanwhile, crashes in Huntly and near Papakura, Auckland, today caused delays on State Highway 1.
The crash in Huntly, which happened about 12.30pm, backed up traffic in both directions on SH1, and the crash under the Beach Rd overbridge just before 2pm blocked the northbound lane, causing heavy congestion back to Ramarama.
A police spokeswoman said three vehicles were involved in the nose-to-tail crash in Huntly but no one was injured.