Вот, что мне ответили на вопрос можно ли ехать из СПб в Миккели 17го числа на шипованных колёсах:
"It's better to have studded tires if you are coming soon to Finland, because we have had here already little snow and subzero weather. Some of the roads have been very slippery.
With best wishes,
.....
Departmental secretary
South Savo Police Department
central police station Mikkeli"