What is the maximum speed limit for trucks on highways?

[SanTessa]

Trucks have a maximum speed limit of 100 km/h on highways. Below are the specific speed regulations for different lanes on highways: 1. Passenger cars: The maximum speed shall not exceed 120 km/h, while other motor vehicles shall not exceed 100 km/h. 2. Motorcycles: Shall not exceed 80 km/h. 3. Lane speeds: If there are 2 lanes in the same direction, the minimum speed for the left lane is 100 km/h; if there are 3 or more lanes in the same direction, the minimum speed for the leftmost lane is 110 km/h, and the minimum speed for the middle lane is 90 km/h.

[OBethany]

After driving trucks on highways for so many years, I've always kept the maximum speed under 100 km/h, as clearly stipulated by traffic regulations—no reckless speeding. With heavy loads, a truck's braking distance doubles as speed increases. For instance, at 100 km/h, the braking distance is at least 70 meters, making it impossible to stop in emergencies. Additionally, the high center of gravity makes quick turns prone to rollovers, especially dangerous on wet roads. Once, I pushed it to 110 km/h to deliver goods faster when suddenly a car cut in front. I slammed the brakes and narrowly avoided a collision—never took that risk again. Obeying speed limits isn’t just about avoiding fines; it’s about getting home safely. At 100 km/h, the truck vibrates less, engine noise is lower, and long drives are less fatiguing. Remember, trucks aren’t cars—safety first, no speeding. Save fuel, peace of mind, and stay safe.

[LeRuth]

When it comes to how fast cargo trucks can go on highways, my experience is that the standard limit is 100 km/h. Having driven various trucks, from light-duty to heavy-duty, they all share this speed limit. Driving steadily at 100 km/h is no problem when road conditions are good, but going faster feels risky. Lightly loaded trucks might accelerate quickly, but exceeding 100 km/h carries significant risks, and with so many speed cameras, fines can be a headache. Actually, maintaining 100 km/h isn’t slow on average, making it efficient for long-distance deliveries. Once, I tried pushing to 105 km/h to save time, but fuel consumption surged by 20%, and the stress wasn’t worth it—the time saved was negligible compared to the risks. I advise both new and experienced drivers to stick to the speed limit—safe driving is the real way to save. Additionally, regular checks on tires and braking systems ensure better stability and safety at high speeds.

[William]

From a vehicle performance perspective, cargo trucks may be designed with a top speed exceeding 120 km/h, but Chinese highway regulations limit speeds to 100 km/h for safety. Light trucks with more powerful engines might easily surpass 100 km/h, but vehicles like semi-trailers with high centers of gravity can sway and lose control during high-speed turns. In actual driving, avoid constantly pushing the accelerator to chase top speeds, as the braking system may not handle sudden stops well. Having tested various truck models, 100 km/h is the balanced point where noise and vibrations remain reasonable. Speeding accelerates tire wear and increases maintenance costs. Safe driving should always take priority over speed potential.

[GiannaDella]

For economic considerations, maintaining a speed of 100 km/h on highways is the most cost-effective for cargo trucks. Driving too fast significantly increases air resistance, which can raise fuel consumption by 15% to 20%, wasting fuel instead of saving money. I once drove at 110 km/h to meet a deadline, only to see a substantial increase in fuel costs and worry about excessive engine strain shortening its lifespan. Limiting speed to 100 km/h keeps the vehicle in its efficient operating range, ensuring smooth driving with lower fuel consumption. Adopting this practice long-term not only saves money but also reduces emissions, making it more environmentally friendly. Maintaining a steady speed of 100 km/h on highways also promotes a more relaxed mental state, reducing fatigue. Safety and economy together make the winning strategy.