UPDATE: State Highway 1 near Waihola, south of Dunedin, has reopened after an earlier closure, but delays can still be expected as motorists are required to stop on demand.
The stop/go traffic management will be in place on SH1/Waihola Highway between the intersections with Lake Road and Surrey Bay Road until further notice, along with a 30km/h temporary speed restriction, while emergency services complete their work at the crash site.
Emergency services are at the scene of a crash between a car and a van, which has blocked Waihola Highway, State Highway 1, this afternoon.
The crash happened between Lake Road and Surrey Heights, about 2.50pm.
One person has been airlifted to hospital in a serious condition, and several other people have moderate injuries.
Traffic management is in place and motorists are advised to expect delays.
The road is now CLOSED between Surrey Bay Rd and Lake Rd.
Follow the directions by emergency services on-site.
Delay your journey if possible as there is no suitable detour available for this area.