Bridges, roads near waterways, overpasses and corners with overhanging trees are recommended to be approached with caution - as well as rural and regional roads that are often less travelled.

Black ice is formed when rain or residue from heavy fog and dew falls onto the road surface and freezes.

Tasmania Police Inspector Darren Hopkins said that winter often led to challenging driving conditions for motorists, particularly in the mornings.

"Black ice can't be seen, but some of the conditions you're looking for are sub-zero temperatures, generally overnight but it could even be in some of the more shaded areas during the day," Inspector Hopkins said.

"The main thing that we always espouse in relation to any sort of driving is just driving to the conditions - that doesn't mean just driving to the speed limit, that means driving to the road conditions you're on at the time, and if it is freezing conditions at the time then you should be aware that there could be black ice in some of those cold, lower areas and be on the lookout for it."

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Data from the Road Safety Advisory Council revealed that between 2010 and 2021, crashes relating to icy conditions were dispersed across most of Northern Tasmania.

"There appears to be more activity in and around Launceston, which would reflect its greater population compared to the rest of the north," a spokesperson said.

"Fortunately most of the crashes involving ice in the north and north-west have only resulted in property damage or minor injuries. There have been two fatal and 18 serious crashes over the same period."

The spokesperson said that the Department of State Growth liaises with the Bureau of Meteorology to monitor weather conditions, and regularly sprays ice prevention treatments at ice and frost prone locations across the state.

"Regardless of where you are travelling to in Tasmania, be prepared for sudden changes in weather conditions," they said.

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"Blue skies and sunshine can quickly change to rain and hail. Fog, snow and ice can also be experienced in some areas."

Inspector Hopkins said it was increasingly important that people ensured their vehicles were clear of ice or fog in the mornings before driving.

"Make sure you get that off on side windows, windscreens - you've got to have good visibility outside your vehicle," he said.

"Having blocked visibility does increase your [crash] risk as well because you're not seeing what's around you, so that's something to be mindful of as well."

Inspector Hopkins said to ensure car tyres had adequate tread to increase breaking time, that headlights were working, and ensure wiper blades were in good condition with an appropriate level of wiper fluid.

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