Semi truck on snowy highway at dusk

Guide

Winter driving guide

Winter doesn't care about your schedule. Technique first, gear second, ego never.

Updated October 5, 2026

The first snow of the season collects trucks the way a magnet collects filings. Most of them were driven by people who knew better and hurried anyway. Winter driving is a discipline, not a talent.

Technique for new winter drivers

Increase following distance dramatically — 8+ seconds on snow and ice. Brake before curves, never in them. If the trailer starts to swing, ease off everything and steer gently; fighting it makes it worse. Bridge decks freeze first. And the most important technique: park it. No load is worth a ditch.

Windshield and visibility

A windshield cover means no scraping at 5am in -25°C. Overnight condensation freezes on the inside — crack a vent or run the defroster before you need to see. Winter wiper blades and full washer fluid (winter-rated) are non-negotiable. Three windshield snow covers, ranked and scored for truck drivers →

The ditch doesn't care that you were almost there.

Anti-idling laws

Many jurisdictions restrict idling — times, places, temperatures. Know the rules where you run; fines are real. More importantly, know your alternatives: a diesel bunk heater keeps you warm and legal where idling isn't.

The gear list

Full winter kit: winter emergency gear, idling alternatives, tire chains where required (see best tire chains), the heated blanket setup for the bunk, and diesel anti-gel dosed before the cold — gelled fuel strands trucks every first cold snap.

Questions, answered

When should I chain up?

Before you need to. If chain laws are posted, comply. If you're wondering whether it's bad enough — it is.

How do I stop condensation freezing inside?

Ventilate slightly overnight or run the defroster before driving. A dry cab freezes less.

Can I idle all night in winter?

Check local anti-idling laws — many places restrict it. A bunk heater is cheaper anyway.

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