What are the maximum and minimum speed limits on a four-lane highway?

2 Answers
VonEzra
07/30/25 12:54am
If driving on a four-lane highway, the speed division for vehicles is as follows: when in the leftmost lane, the speed should be between 110 km/h to 120 km/h; when driving in the second or third lane, the speed should be between 90 km/h to 110 km/h; when driving in the rightmost lane, the speed can be below 90 km/h but not lower than 60 km/h. Below is more detailed information: 1. For a three-lane road in the same direction, when a vehicle is in the leftmost lane, the speed should be between 110 km/h to 120 km/h, which is considered the overtaking lane; 2. When driving in the middle lane, the speed should be between 90 km/h to 110 km/h, which is the standard driving lane; 3. When driving in the right lane, the speed should be between 60 km/h to 100 km/h, typically designated for trucks; 4. The rightmost emergency lane should not be entered unless there is an emergency.
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LaJustin
08/15/25 6:19am
I've been driving on highways for decades. The maximum speed limit on four-lane roads is generally set around 120 km/h, but it varies depending on the location - mountainous areas might reduce it to 100 km/h, while urban ring roads could be 110 km/h. The minimum speed on highways is typically 60 km/h, as driving too slowly can easily cause rear-end collisions or traffic jams, so I recommend maintaining a safe speed between 80 to 110 km/h. During rainy or foggy weather, I proactively reduce my speed below 100 km/h to prevent skidding, and always pay attention to roadside speed limit signs which adjust according to road conditions. The key is to develop good habits - don't speed to save time, but don't drive at snail's pace either and make others honk. Safe driving is what really matters.
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