Press Release – NZTA The most significant rainfall in 10-years is predicted to fall in the Canterbury region this weekend with Waka Kotahi NZ Transport Agency advising motorists to be prepared for disruptions on the road network. “MetService is forecasting around 150mm of rain to fall in Canterbury over Saturday, Sunday and Monday, which has the potential to cause widespread flooding, land instability and for some rivers to break flood banks,” says Waka Kotahi Senior Manager, Maintenance and Operations, Wayne Oldfield. While North Canterbury and the Kaikōura coast are expected to be particularly affected, other parts of the country are also warned to expect wet and windy conditions.