accident prevention
cold
cold period
cold snap
danger
frost
frosty
hazard
ice
icy
insurance coverage
means of transport
mobile
mobility
motorization
passenger traffic
precaution
prevention
protection
risk
road
road closure
road safety
road traffic
safety
safety performance
season
snow
snowy
street
traffic
traffic infrastructure
traffic route
traffic safety
traffic safety obligation
traffic system
transport
transportation
vehicle
vehicle traffic
weather
winter
winter closure
winter day
winter landscape
winter time
winter vacations
winter weather