Motorists were asked to follow the directions of emergency services on the scene. Delays were likely and a road closure was possible, it said.
1:30PM: Reports of a serious crash on #SH4 in the Kopaki area, between SH3 (Te Mapara) and Kopaki Rd. Please follow directions of emergency services. Delays in the area are likely and road closure is possible. ^TP pic.twitter.com/aCIkuCxcfU