Concrete walls in the Stockholm Bypass could reduce air particles in the tunnel by 5% to 20%.
Concrete solution in Stockholm
According to air expert Christer Johansson, concrete walls in the Stockholm Bypass (Förbifart Stockholm) could reduce air particles in the tunnel by 5% to 20%.Dirty air is expected to plague the tunnel during the winter, where studded tyres also have a large influence on dirt particles.
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Published 12/03/2010
