... and winter driving
In places that get significant snowfall, visibility is an important consideration when travelling any significant distance. Here are some phrases you'll hear on the radio's travel forecasts:
Good Visibility
It's barely snowing, or not snowing at all. You can see more than 800 metres, or right to the horizon.
Reduced Visibility
You can see fairly well, but less than 800 metres. Reduced speed is wise.
Poor Visibility
Visibility is less than 500 metres. Reduced speed is essential. Typically there will be poor road conditions as well, compounding the risk to travel.
Large vehicles such as transport trucks may be able to see more from their higher vantage point. This won't help you at all, so don't try to emulate them as they breeze along.
Zero Visibility
Visibility is less than 200 metres, likely as little as 50 metres. You're not going to see something ahead of you before you hit it. Don't travel, or if you're already in transit, pull over as soon as it is safe to do so.
Snowploughs and other maintenance equipment will not work on the roads until visibility improves, so it's only going to get worse as time goes on.
Whiteout
This means it's snowing heavily and very windy. The combination can make it impossible to see your own hood ornament. You can get lost crossing the street. You don't want to be in control of a two ton motor vehicle in this situation.
Other factors
Make sure the car's windshield washer fluid is topped up before you leave, and every time you stop. Every damn time! You're likely to be spraying the stuff onto your windshield several times a minute. It would not do to run out.