28 October 2011

Climbers on the screens of acoustic parts. III

Google Translate gives the title of this article as: "Climbers on the screens of acoustic parts. III" Polish transportation officials have been studying the suitability of various vines for use on sound barrier walls. Sound barrier walls are used far more often in Europe than in the US. A "right to quiet" is recognized in Europe. Whereas, in the US, visual appeal according to local culture tends to trump noise as an issue except when the largest freeways pass through high-income areas. They give highest marks to Virginia Creeper, Parthenocissus quinquefolia (P5) and Boston Ivy, Parthenocissus tricuspidata (P3).