What does 261145520 mean in Subject One?

1 Answers
SanEleanor
07/30/25 6:08am
In Subject One, 261, 145, and 520 refer to the visibility, maximum speed of vehicles, and minimum distance between vehicles on highways under rainy and foggy weather conditions. The specific details are as follows: 1. 261: 261 means that the visibility on the highway is below 200 meters, the maximum speed is 60 km/h, and the minimum distance between vehicles is 100 meters. 2. 145: 145 means that the visibility on the highway is below 100 meters, the maximum speed is 40 km/h, and the minimum distance between vehicles is 50 meters. 3. 520: 520 means that the visibility on the highway is below 50 meters, the maximum speed is 20 km/h, and the vehicle should exit the highway from the nearest exit.
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