Police are in attendance at a serious crash on the SH 75, Christchurch Akaroa Road, Duvauchelle.
The crash involved a car and a motorbike and occurred at 9.39am.
Information on any injuries is not available at this time.
Christchurch Akaroa Road is closed and will remain closed for at least the next four hours.
There is a diversion in place however this route is not suitable for heavy traffic volumes.
Motorists are asked to avoid travel in this area.