Wednesday was also dicey with a handful of call-outs on the roads due to morning ice.
The NZTA has issued warnings for ice on state highways throughout the south, stating drivers need to take caution in the extreme conditions.
Warnings - Ice: •State Highway 94 from Mossburn to Te Anau •State Highway 80 - Mount Cook Highway •State Highway 8 from Twizel to Fairlie •State Highway 79 from Geraldine to Fairlie