According to authorities, 25 vehicles were involved in the accident on the A 32 west of Turin, not far from the French border.
The extreme weather was caused by a Siberian cold front, with temperatures dropping as low as -26°C in the north.
Snow and icy winds continued to whip Italy on Monday, with heavy snowfall reported as far south as Sicily and Sardinia.
Snow ploughs were operating in the Sicilian capital of Palermo on Monday after a blanket of snow blocked roads.
It also snowed in the nearby Aeolian Islands, which were cut off from the rest of Italy due to rough seas.
It was snowing in Calabria and temperatures of -13°C were recorded in the southern region’s Sila mountain area.
Icy conditions caused a truck to overturn in Sardinia, but the driver escaped without injuries.
With ANSA
