How loud is the loudest train horn?

How many decibels is a real train horn? Car horns and train horns are measured differently because of their size, a train horn is much bigger and can create more noise. Train horns are typically between 110-140 decibels in sound level! They may sound very similar but completely different levels.



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The maximum legal decibel level for a car horn on a passenger vehicle is 100-110. A train horn has a decibel level of 130-150.

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How many decibels is a real train horn? Car horns and train horns are measured differently because of their size, a train horn is much bigger and can create more noise. Train horns are typically between 110-140 decibels in sound level!

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The subway noise levels are around 90db. As you can tell from this brief scale, noises can reach unsafe levels rapidly. Most people do not have prolonged exposure to the sound of a subway train, but many face occupational noises that are equally as loud all day long.

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If a sound is 100 dB at the source, it will be 94 dB at 1 meter, 88 dB at 2 meters, and so on. Therefore, you will generally be able to hear a 100 dB sound at a maximum of 16 meters.

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