Now, in the transition period between autumn and winter, many motorists are surprised by “black slips” out on the roads. This type of slippage is particularly tricky because it is not visible, according to Bengt Olsson, press manager at the Swedish Transport Administration.
– People think that it is completely safe to walk or drive. It is also extra slippery, because there is often extra water collected in this ice and it becomes extra slippery to leave, he says.
How to avoid driving off the road – see the tips in the player above.