1,000 people stuck overnight in traffic jam stretching 9 miles long
https://edition.cnn.com/2020/12/18/asia/japan-traffic-jam-intl-hnk-scli/index.html
If weather forecast says "It will snow a lot", people should refrain from driving except for emergency use. This incident is not the worst case, considering that affected people were acknowledged by many people. If you drive alone and stranded in extreme countryside, you don't have a way to call rescue.
If your cellphone can't get electric signal there, you don't have a way to call rescue. Though it depends on geographic situation, it would be bad to find a resident there.
