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The greatest sound pollution from cars is the tires noise. At low speeds this is not noticable but the faster you go the worse it is, I believe engine noise is
by emj 9y ago
The greatest sound pollution from cars is the tires noise. At low speeds this is not noticable but the faster you go the worse it is, I believe engine noise is overtaken by tire noise somewhere above 30km/h.
This sound is spread 10km in each direction from a highway, the areas which are truly spared the noise of cars are hard to find these days.
- Reason077 9y agoWith cars, at highway speeds, you're right - but engine noise is a much more significant factor for motorcycles (some of which are absurdly loud) and heavy trucks/buses. In built-up cities, like London, these vehicles are usually traveling at relatively low speeds anyway, so it's really engine noise that is the problem.