Safety
Winter Fog Driving Safety for Trucks and Fleets: A Practical Checklist
By ATTPL Fleet · · 2 min read
How fleet operators and truck drivers can reduce fog-season risk on Indian highways — vehicle checks, reflective tape and lights, safe speeds, rest planning and what to do in zero visibility.

Why fog season is dangerous
From December to February, dense fog often covers highways across north and west India, including parts of Rajasthan, usually late at night and early morning. Visibility can drop to a few metres within minutes. Multi-vehicle pile-ups and rear-end collisions with slow or parked trucks are common. For fleet operators, the fog season needs specific preparation, not just general caution.
Prepare the vehicle
- Clean and working headlamps, tail lamps, indicators and hazard lights
- Approved fog lamps aimed correctly, and low beam set properly
- Retro-reflective tapes and rear markings on commercial vehicles as required under motor vehicle rules — clean and undamaged
- Working wipers, washer fluid and demister
- Tyres and brakes checked before the season
Our commercial vehicle fitness and permit guide covers related compliance.

Safe driving in fog
- Slow down so you can stop within the distance you can see
- Use low beam and fog lamps; high beam reflects off fog and reduces visibility
- Keep a much larger gap from the vehicle ahead
- Use lane markings and the left edge as guides; avoid overtaking
- Do not stop on the carriageway; if you must stop, move fully off the road and switch on hazard lights
- Keep windows slightly open and the radio low to hear traffic
Plan trips around fog
Where possible, schedule long-haul driving to avoid the worst fog hours late at night and before sunrise. Check weather and fog advisories before dispatch, plan safe halts at dhabas or truck parks, and allow drivers to wait out zero-visibility conditions without penalty. Good route planning builds in buffer time so drivers are not under pressure.
Driver fatigue and training
Fog driving is mentally tiring. Enforce rest breaks, avoid long continuous night shifts and brief drivers before the season. Remind them of emergency numbers — 112 for emergencies and the highway helpline 1033 on national highways — and keep a first-aid kit, torch and warning triangle in every cabin.
Fleet management support
Tracking speed, halts and night driving across the fleet helps managers spot risky patterns. ATTPL Fleet supports fleet operations and compliance. Make sure vehicle insurance is current — options are explained by ATTPL Finance, and contact ATTPL HOLDCO for group logistics support.
Frequently asked questions
Should truck drivers use high beam in fog?
No. Use low beam and fog lamps; high beam reflects off fog and reduces visibility.
What should a driver do if visibility becomes almost zero?
Slow down, find a safe place fully off the road such as a parking area or dhaba, switch on hazard lights and wait for visibility to improve.
Why is reflective tape important on trucks?
It makes slow or stationary trucks visible to other drivers at night and in fog, preventing rear-end collisions.
Sources and further reading
This article is general information for fleet operators and drivers. Follow current laws, official advisories and your company's safety policies.