Advisory lifted Friday 6th.
On Thursday 5th, the New Zealand Transport issued a flooding caution on SH 23 Hamilton to Raglan Comment: Drive With Caution – Surface Flooding Update received: 5 Dec 2013 14:40 Expected resolution: Until further notice
The road is still open. For the latest update check: http://www.nzta.govt.nz/traffic/current-conditions/highway-info/road/7873/north-island.html