Bluff Highway is blocked after a car hit three cows on the crucial route.
A police spokeswoman said they were called to the scene, near the intersection with Nichol Rd, at about 8pm.
"Fortunately the driver of the car appears to have only sustained minor injuries, however it sounds like at least one of the cows is dead and the others will have to be euthanised," the spokeswoman said.
The road is blocked and motorists are advised to drive with extra caution in the area until the road can be cleared.
