High Temperature Road Sign: A Trucker’s Essential Guide

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07/02/2025

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“Driving a truck long-haul feels like an inferno!” – A common complaint among truck drivers. Extreme heat not only affects health but also poses significant road safety risks. Therefore, understanding and adhering to high-temperature road signs is crucial.

What is a High-Temperature Road Sign?

A high-temperature road sign is a triangular traffic sign with a red border and yellow background. It features a black thermometer in the center, with the temperature in degrees Celsius displayed below. This sign is typically placed on road sections with unusually high pavement temperatures, warning vehicles, especially trucks, of potential safety hazards.

High-temperature road sign

Importance of High-Temperature Road Signs for Trucks

High temperatures can severely impact trucks, particularly their tires. When driving on hot asphalt, truck tires are prone to overheating, leading to reduced pressure and even blowouts.

Mr. Nguyen Van A, a tire expert at Thaco Truong Hai, states: “High temperatures are one of the leading causes of truck tire blowouts. A blowout at high speed can have catastrophic consequences.”

Truck driving on hot asphalt

Precautions When Encountering a High-Temperature Road Sign

Reduce Speed: When encountering a high-temperature road sign, drivers should reduce speed to minimize friction between the tires and the road surface, preventing tire overheating.
Increase Following Distance: Reducing speed also necessitates increasing the following distance to allow sufficient time to react to unexpected situations.
Check Tire Pressure: Regularly check tire pressure, especially before starting a journey and after driving long distances.
Take Regular Breaks: If driving in prolonged hot conditions, stop at rest areas or gas stations to allow the vehicle to cool down.

Frequently Asked Questions about High-Temperature Road Signs

Q: Where are high-temperature road signs usually placed?

A: High-temperature road signs are typically placed on road sections with abnormally high pavement temperatures, such as:

Highways and freeways with heavy traffic and frequent congestion.
Steep roads with high friction.
Road construction and repair zones.

Q: What should I do if my truck tire blows out due to high temperatures?

A: If a truck tire blows out due to high temperatures, remain calm and follow these steps:

Maintain control of the steering wheel, gradually release the accelerator, and slowly steer the vehicle to the side of the road.
Turn on hazard lights and place warning triangles behind the vehicle to alert other drivers.
Change the tire with a spare or call for roadside assistance.

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Refrigerated truck

Conclusion

Understanding traffic signs, including high-temperature road signs, is essential for every truck driver. Be a responsible driver and obey traffic laws to ensure your safety and the safety of the community. Don’t forget to visit Xe Tai Ha Noi for more useful information about trucks.