14Mar2004: Sydney, Australia. The NSW Government now says it will trial air filters in a Sydney tunnel. Cautiously received by resident groups - is the announcement clearing the air or another political smokescreen?
Road Tunnel Filters to be Trialed in Sydney; Backflip [National Nine News, Sun 14Mar2004]
RAPS Inc. http://nostack.8m.com/
2004 National Nine News
Road Tunnel Filters to be Trialed in Sydney; Backflip [National Nine News, Sun 14Mar2004]
RAPS Inc. http://nostack.8m.com/
2004 National Nine News