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Noise - USA - Highway barriers a sound idea
Montreal,Quebec,Canada- Montreal Gazette (subscription) -July 11, 2006: -- Along with pollution and greenhouses gases, the automobiles that North Americans love so well also generate noise... One solution to this problem is the sound barrier, a wall alongside a highway to deflect some of those decibels upward, away from highway-side neighbourhoods... We're driving more than ever, in more cars, and so we're generating more noise, even before you factor in all those heavy trucks and light-but-loud motorcycles. So it's no surprise there's more demand for sound barriers all over Montreal Island...
posted by Unknown @ 3:55 PM
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