Busy roads and a number of crashes north of Auckland caused delays for people returning home after the Christmas holidays yesterday.
Seven people received minor injuries when two cars collided head-on on State Highway 1, between Warkworth and Wellsford, at 5.20pm.
A police spokesman said the crashed cars were cleared from the road relatively quickly, which helped ease traffic. The Transport Agency's Auckland and Northland manager, Ewart Barnsley, said the accident caused a 15-minute delay for motorists.
Earlier, a nose-to-tail accident on the northbound lane of SH1 near Warkworth and the normal bottleneck at Wellsford caused long tailbacks in both directions.
Mr Barnsley said traffic was busy "but not heavy".