Prevent Freight from Freezing: Winter Trucking Safety Tips
Posted on October 31, 2025 at 11:23 AM by Troy Cummings
How to Protect Freight from Freezing: Winter Best Practices for Truck Drivers, Shippers, and Receivers.
Why Freeze Protection Matters
When temperatures drop, keeping freight safe from freezing becomes one of the most critical responsibilities in transportation. Cold weather can damage temperature-sensitive cargo, especially liquids and semi-liquids, and even non-liquid products can be ruined by exposure to freezing air. For drivers, shippers, and receivers, understanding how to protect freight from freezing isn’t just about compliance; it’s about maintaining product quality, customer trust, and safety on the road.
Know What’s on Your Trailer
The first step in preventing freeze damage is knowing what you’re hauling. Before you leave the shipper, review your trip notes or dispatch instructions for any “Protect from Freeze” references. Then, check your Bill of Lading (BOL) or ask the shipper directly about the load’s contents, especially if it isn’t clearly listed.
While beverages are the most common products to freeze, they’re far from the only ones. Paints, cleaning supplies, food products, and even certain dry goods can be compromised by cold temperatures. Also, pay attention to how the product is loaded: pallets packed tightly together retain warmth more effectively than loosely arranged cargo.
Pro Tip: If you’re ever unsure about whether your load needs freeze protection, contact dispatch or the shipper before you leave. It’s always better to confirm than to risk product damage.
Idle Wisely: Keeping Heat and Movement
When temperatures drop below freezing until it gets down to around 10°F, keeping your truck idling can help protect your freight. The subtle vibrations will prevent liquid-based products from freezing solid.
If the temperature at the shipper is below 10°F at pickup, contact dispatch before loading or moving the trailer. They’ll provide additional instructions or determine if adjustments need to be made to the route or equipment.
If your load is on a reefer (refrigerated trailer) and there are no notes on the BOL about running it, double-check with dispatch before turning it on. Running a reefer unnecessarily can waste fuel and can cause unforeseen issues to the product due to moisture being added to the air by raising the temperature too much.
Driver Tip: When parked for long periods in subfreezing conditions, keep your truck idling or park inside a heated facility whenever possible. If you are away from your truck make sure you regularly check that the engine is still running properly.
Plan Ahead: Smart Trip Planning in Cold Conditions
Winter hauling demands proactive trip planning. Don’t wait until after you’ve picked up a load to map your route, plan it in advance and check the weather forecast along the way. Look for potential cold fronts, road closures, or hazardous areas where temperatures can plummet overnight.
If you anticipate needing an alternate route or extended stop, coordinate with dispatch before making changes. When choosing rest stops, prioritize warmer locations or sheltered areas that reduce cold exposure. If your route includes regions with extreme cold, ensure your fuel is treated for low temperatures, and monitor tire pressure and fluids throughout the trip.
Good Trip Planning Tips:
- Review weather updates before and during your trip.
- Avoid low-lying valleys or mountain passes prone to deep freezes.
- Check for available indoor parking or heated terminals along your route.
- Have a plan for what to do if you must stop overnight in extreme cold.
Communication is Key
Clear communication between drivers, dispatchers, shippers, and receivers can prevent misunderstandings that lead to product loss. Always report unusual weather conditions, delays, or mechanical issues as soon as possible. Keeping everyone informed allows the team to adjust by rerouting, rescheduling delivery, or coordinating warehouse preparation.
Remember: preventing freeze damage is a shared responsibility. Everyone in the chain plays a part in ensuring that temperature-sensitive products arrive safely.
Protect from Freeze: Best Practices Checklist
Before heading out, run through this mental checklist to safeguard your load:
- Review trip notes and dispatch instructions for freeze warnings.
- Check the BOL and verify if “Protect from Freeze” is marked.
- Ask the shipper about load sensitivity if uncertain.
- Plan your route and overnight stops ahead of time.
- Monitor weather and temperature trends daily.
- Keep the truck idling in temperatures below freezing.
- Park indoors or in warmer areas when possible.
- Communicate promptly with dispatch about concerns or delays.
Conclusion: Stay Prepared, Stay Safe
Protecting freight from freezing isn’t just about following a checklist, it’s about professionalism, foresight, and teamwork. Drivers who plan ahead, shippers who communicate clearly, and receivers who prepare their facilities all contribute to keeping freight safe in winter conditions.
With proper preparation, smart trip planning, and constant awareness, you can keep your cargo protected, your customers satisfied, and your routes running smoothly, even when temperatures drop below freezing.
FAQ: Answering Common Questions About Freeze Protection
What temperature should I idle my truck to protect freight?
Keep your truck idling when temperatures are below freezing. The vibration helps prevent freeze damage to cargo.
What products are most at risk of freezing?
Liquids like beverages, paints, chemicals, and certain food items are at the highest risk, but even dry goods like powders or granules can be damaged by cold temperatures.
How can shippers help prevent freight from freezing?
Tightly pack pallets, clearly mark “Protect from Freeze” on BOLs, and communicate any special handling instructions to the carrier before dispatch.
What should I do if I suspect my load has frozen?
Notify dispatch immediately. They’ll advise whether to continue the route, adjust delivery, or contact the receiver for product inspection.